Perhaps you should try some spelling variations:
"female education studies." » "female educational studies.", "female education students.", "female education series."
"scale migration studies." » "male migration studies.", "female migration studies.", "trade migration studies."
"can migration studies." » "main migration studies.", "von migration studies.", "urban migration 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: (((("scale migration studies.") or ("female education studies."))) or ("can migration studies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("scale migration studies.") OR ("female education studies."))) OR ("can migration studies.")).
• Removing quotes may allow a broader search: (((( scale migration studies. ) or ( female education studies. ))) or ( can migration studies. )).
• Adding a wildcard symbol may retrieve word variants: (((("scale migration studies.") or ("female education studies."))) or ("can migration studies."))*.