Perhaps you should try some spelling variations:
"international political economy surveys" » "international policy economy surveys", "international political economy series", "international political economic survey", "international political economy surplus"
"international poverty economic surveys" » "national poverty economic surveys", "international property economic surveys", "international forestry economic surveys", "international policy economic surveys", "international poverty economic studies", "international poverty economic systems"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("international political economy surveys") OR ("international poverty economic surveys"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"international political economy surveys\") OR (\"international poverty economic surveys\"))".
• Removing quotes may allow a broader search: (( international political economy surveys ) OR ( international poverty economic surveys )).
• Adding a wildcard symbol may retrieve word variants: (("international political economy surveys") OR ("international poverty economic surveys"))*.