Perhaps you should try some spelling variations:
"international patients" » "international patient", "international students", "international student"
"international segments" » "international students", "international student", "international patient"
"international waters" » "international water", "international patient", "international watercourses"
"international actor" » "international water", "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 patients") or ("international segments"))))) or ("international actor"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("international waters") OR ((("international patients") OR ("international segments"))))) OR ("international actor")).
• Removing quotes may allow a broader search: (((( international waters ) or ((( international patients ) or ( international segments ))))) or ( international actor )).
• Adding a wildcard symbol may retrieve word variants: (((("international waters") or ((("international patients") or ("international segments"))))) or ("international actor"))*.