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

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