Perhaps you should try some spelling variations:
scientific collaboration » scientific communication, scientific computation
scientific exploration » scientific application, scientific information, scientific expeditions
american voyages » american villages, aerial voyages, african voyagers

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( european AND american voyages of scientific exploration ) OR ((( European AND American voyages of scientific collaboration ) OR ( European AND American voyages of scientific explanation )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( european and american voyages of scientific exploration ) or ((( European and American voyages of scientific collaboration ) OR ( European and American voyages of scientific explanation ))))".
• Adding a wildcard symbol may retrieve word variants: (( european and american voyages of scientific exploration ) or ((( European and American voyages of scientific collaboration ) OR ( European and American voyages of scientific explanation ))))*.