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

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