Perhaps you should try some spelling variations:
conditions 1150 » conditions 160 (Expand Search), conditions 19th (Expand Search), conditions 1979 (Expand Search)
conditions 1050 » conditions 160 (Expand Search), conditions 20th (Expand Search), conditions 19th (Expand Search)
conditions 1100 » conditions 160 (Expand Search), conditions 19th (Expand Search), conditions 1979 (Expand Search)
conditions 1250 » conditions 160 (Expand Search), conditions 19th (Expand Search), conditions 1979 (Expand Search)
roman economic » roman economy (Expand Search)
rome economic » rome's economic (Expand Search), home economics (Expand Search), power economic (Expand Search)
conditions 3 » conditions _ (Expand Search), condition 3 (Expand Search), conditions de (Expand Search)
conditions 7 » conditions _ (Expand Search), conditions de (Expand Search), conditions we (Expand Search)
1150 b.c » 1550 b.c (Expand Search), 110 b.c (Expand Search), 1350 b.c (Expand Search)
1050 b.c » 100 b.c (Expand Search), 1000 b.c (Expand Search), 1550 b.c (Expand Search)
1100 b.c » 1300 b.c (Expand Search), 1200 b.c (Expand Search), 100 b.c (Expand Search)
1250 b.c » 1200 b.c (Expand Search), 1550 b.c (Expand Search), 650 b.c (Expand Search)
3 b.c » 30 b.c (Expand Search), 63 b.c (Expand Search), 43 b.c (Expand Search)
7 b.c » 47 b.c (Expand Search), 27 b.c (Expand Search), 67 b.c (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((((((( roman economic conditions 1150 b.c.-476 a.d. ) or ( roman economic conditions 1050 b.c.-476 a.d. ))) or ( roman economic conditions 1100 b.c.-476 a.d. ))) or ( roman economic conditions 1250 b.c.-476 a.d. ))) or ((( rome economic conditions 3 b.c.-476 a.d. ) OR ( rome economic conditions 7 b.c.-476 a.d. ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((( roman economic conditions 1150 b.c.-476 a.d. ) OR ( roman economic conditions 1050 b.c.-476 a.d. ))) OR ( roman economic conditions 1100 b.c.-476 a.d. ))) OR ( roman economic conditions 1250 b.c.-476 a.d. ))) OR ((( rome economic conditions 3 b.c.-476 a.d. ) OR ( rome economic conditions 7 b.c.-476 a.d. )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((( roman economic conditions 1150 b.c.-476 a.d. ) or ( roman economic conditions 1050 b.c.-476 a.d. ))) or ( roman economic conditions 1100 b.c.-476 a.d. ))) or ( roman economic conditions 1250 b.c.-476 a.d. ))) or ((( rome economic conditions 3 b.c.-476 a.d. ) OR ( rome economic conditions 7 b.c.-476 a.d. ))))".
• Adding a wildcard symbol may retrieve word variants: (((((((( roman economic conditions 1150 b.c.-476 a.d. ) or ( roman economic conditions 1050 b.c.-476 a.d. ))) or ( roman economic conditions 1100 b.c.-476 a.d. ))) or ( roman economic conditions 1250 b.c.-476 a.d. ))) or ((( rome economic conditions 3 b.c.-476 a.d. ) OR ( rome economic conditions 7 b.c.-476 a.d. ))))*.