Perhaps you should try some spelling variations:
"international technological economics theories" » "international technology economics theories", "interaction technological economics theories", "interactions technological economics theories", "international ecological economics theories", "international technologies economics theories", "international technological economic theories", "international technological economics series", "international technological economics theory"
"international political economy series" » "international policy economy series", "international political economics 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 technological economics theories") or ("international political economy series"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international technological economics theories") OR ("international political economy series")).
• Removing quotes may allow a broader search: (( international technological economics theories ) or ( international political economy series )).
• Adding a wildcard symbol may retrieve word variants: (("international technological economics theories") or ("international political economy series"))*.