Perhaps you should try some spelling variations:
"sale agrarian studies." » "sale migration studies.", "sale asian studies.", "sale american studies.", "yale agrarian studies.", "small agrarian studies.", "states agrarian studies."
"small african studies." » "small american studies.", "small asian studies.", "small african states.", "small africa studies.", "all african studies.", "all africans studies."
"small animal studies." » "small animal species.", "small clinical studies.", "small animals studies.", "all animals studies.", "deal animal studies."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("sale agrarian studies.") or ((("small animal studies.") or ("small african studies."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sale agrarian studies.") OR ((("small animal studies.") OR ("small african studies.")))).
• Removing quotes may allow a broader search: (( sale agrarian studies. ) or ((( small animal studies. ) or ( small african studies. )))).
• Adding a wildcard symbol may retrieve word variants: (("sale agrarian studies.") or ((("small animal studies.") or ("small african studies."))))*.