Perhaps you should try some spelling variations:
"international poverty economic book" » "national poverty economic book", "international property economic book", "international forestry economic book", "international policy economic book", "international poverty economics book", "international poverty economic boom", "international poverty economic look"
"international urban economies trade" » "international bank economies trade", "international union economies trade", "international journal economies trade", "international urban economics trade", "international urban economy trade", "international global economies trade"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("international urban economies trade") or ("international poverty economic book"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international urban economies trade") OR ("international poverty economic book")).
• Removing quotes may allow a broader search: (( international urban economies trade ) or ( international poverty economic book )).
• Adding a wildcard symbol may retrieve word variants: (("international urban economies trade") or ("international poverty economic book"))*.