Perhaps you should try some spelling variations:
"international leste economic surveys" » "international best economic surveys", "international list economic surveys", "international tests economic surveys", "international leste economic studies", "international leste economic systems", "international state economic surveys"
"international rican economy series" » "international african economy series", "international rice economy series", "international american economy series", "international rican economics series", "international roman economy series", "international rich economy series"

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: (("international leste economic surveys") or ("international rican economy series"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international leste economic surveys") OR ("international rican economy series")).
• Removing quotes may allow a broader search: (( international leste economic surveys ) or ( international rican economy series )).
• Adding a wildcard symbol may retrieve word variants: (("international leste economic surveys") or ("international rican economy series"))*.