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• Removing quotes may allow a broader search: (((( underwater archaeology critical deterioration congresses. ) OR ( underwater archaeology critical restoration congresses. ))) or ((( underwater archaeology digital preservation congresses. ) or ( underwater archaeology israel representations religieuses. ))))~.
• Adding a wildcard symbol may retrieve word variants: (((("underwater archaeology critical deterioration congresses.") OR ("underwater archaeology critical restoration congresses."))) or ((("underwater archaeology digital preservation congresses.") or ("underwater archaeology israel representations religieuses."))))*.