Perhaps you should try some spelling variations:
"anthropology alain" » "anthropology chavin", "anthropology aat", "anthropology alps"
"anthropology spain" » "anthropology chavin", "anthropology can", "anthropology small"
"anthropology david" » "anthropologist david", "anthropology chavin", "anthropology based"

Try widening your search to All Fields.

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