Perhaps you should try some spelling variations:
"international waters" » "international patient", "international watercourses", "international law", "international patients", "international laws", "international trades"
"international water" » "international patient", "international law", "international trade"
"international joint" » "international journal", "international patient", "international issn"
"international actor" » "international edition"

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