Perhaps you should try some spelling variations:
"international political economies factor" » "international policy economies factor", "international political economic factor", "international political economy factor", "international political economic factors", "international political economic sector"
"international roads economic forces" » "international road economic forces", "international bonds economic forces", "international bond economic forces", "international roads economic focus", "international roads economic forecast", "international roads economic forum"

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 economies factor") or ("international roads economic forces"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international political economies factor") OR ("international roads economic forces")).
• Removing quotes may allow a broader search: (( international political economies factor ) or ( international roads economic forces )).
• Adding a wildcard symbol may retrieve word variants: (("international political economies factor") or ("international roads economic forces"))*.