Perhaps you should try some spelling variations:
"multifunctional operation" » "multifunctional transition", "multinational corporation", "institutional operation"
"multinational operations" » "multinational corporations", "multinational corporation", "international operations"
"international operators" » "international operations", "international cooperation", "international migrations"

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: (((("multinational operations") or ("international operators"))) or ("multifunctional operation"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("multinational operations") OR ("international operators"))) OR ("multifunctional operation")).
• Removing quotes may allow a broader search: (((( multinational operations ) or ( international operators ))) or ( multifunctional operation )).
• Adding a wildcard symbol may retrieve word variants: (((("multinational operations") or ("international operators"))) or ("multifunctional operation"))*.