Perhaps you should try some spelling variations:
"multinational operations" » "multinational corporations", "multinational corporation", "multifunctional operation"
"international relations" » "international migration", "international organizations", "international cooperation"
"institutions operations" » "institutions operating", "institutions corporations", "institutional operation"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("multinational operations") or ("international relations"))) or ("institutions operations"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("multinational operations") OR ("international relations"))) OR ("institutions operations"))*.
• Removing quotes may allow a broader search: (((( multinational operations ) or ( international relations ))) or ( institutions operations ))*.