Perhaps you should try some spelling variations:
anthropologist david » anthropologist damn, anthropologist a, anthropologist gazes
anthropology alain » anthropology spain, anthropology chavin, anthropology aat
anthropology david » anthropology chavin, anthropology based, anthropology asia

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: (( anthropology alain ) OR ( ((anthropology david) OR (anthropologist david)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( anthropology alain ) or ( ((anthropology david) OR (anthropologist david)) ))".
• Adding a wildcard symbol may retrieve word variants: (( anthropology alain ) or ( ((anthropology david) OR (anthropologist david)) ))*.