Perhaps you should try some spelling variations:
"international waters" » "international water", "international patient", "international watercourses"
"international actors" » "international water", "international waters", "international editions"
"international actor" » "international water", "international edition"
"international trade" » "international law", "international student", "international finance"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("international waters") or ((("international actors") or ("international actor"))))) or ("international trade"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("international waters") OR ((("international actors") OR ("international actor"))))) OR ("international trade")).
• Removing quotes may allow a broader search: (((( international waters ) or ((( international actors ) or ( international actor ))))) or ( international trade )).
• Adding a wildcard symbol may retrieve word variants: (((("international waters") or ((("international actors") or ("international actor"))))) or ("international trade"))*.