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• Performing a fuzzy search may retrieve terms with similar spellings: (((("underwater archaeology citizen participation roman studies") or ((("underwater archaeology political participation rome studies") OR ("underwater archaeology political participation time studies"))))) or ((("underwater archaeology israel participation rome studies") or ("underwater archaeology italy participation _ studies"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("underwater archaeology citizen participation roman studies") OR ((("underwater archaeology political participation rome studies") OR ("underwater archaeology political participation time studies"))))) OR ((("underwater archaeology israel participation rome studies") OR ("underwater archaeology italy participation _ studies")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"underwater archaeology citizen participation roman studies\") or (((\"underwater archaeology political participation rome studies\") OR (\"underwater archaeology political participation time studies\"))))) or (((\"underwater archaeology israel participation rome studies\") or (\"underwater archaeology italy participation _ studies\"))))".
• Removing quotes may allow a broader search: (((( underwater archaeology citizen participation roman studies ) or ((( underwater archaeology political participation rome studies ) OR ( underwater archaeology political participation time studies ))))) or ((( underwater archaeology israel participation rome studies ) or ( underwater archaeology italy participation _ studies )))).
• Adding a wildcard symbol may retrieve word variants: (((("underwater archaeology citizen participation roman studies") or ((("underwater archaeology political participation rome studies") OR ("underwater archaeology political participation time studies"))))) or ((("underwater archaeology israel participation rome studies") or ("underwater archaeology italy participation _ studies"))))*.