Perhaps you should try some spelling variations:
"Studies in trade and investment costa" » "Studies in trade and investments costa", "Studies in trade and investment costs", "Studies in trade and investment cost", "Studies in trade and investment coststa", "Studies in trade and investment codesta", "Studies in trade and investment actsta"
"studies in trade and investment co" » "studies in trade and investment cost", "studies in trade and investment code", "studies in trade and investment act"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("studies in trade and investment co") or ("Studies in trade and investment costa"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("studies in trade and investment co") OR ("Studies in trade and investment costa")).
• Removing quotes may allow a broader search: (( studies in trade and investment co ) or ( Studies in trade and investment costa )).
• Adding a wildcard symbol may retrieve word variants: (("studies in trade and investment co") or ("Studies in trade and investment costa"))*.