Perhaps you should try some spelling variations:
communication conversation » communication information, communication cohesion, communication communication
conversation basque » conversation based, conversation basic, cooperation basque
basque dimensions » value dimensions, basic dimensions, based dimensions
under tree » under three, under free, under trade

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication conversation basque dimensions ((under tree) OR (under creep))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication conversation basque dimensions ((under tree) OR (under creep))".
• Adding a wildcard symbol may retrieve word variants: communication conversation basque dimensions ((under tree) OR (under creep))*.