Perhaps you should try some spelling variations:
"international patients" » "international students", "international segments", "international student", "international joints", "international studentss"
"international patient" » "international student", "international joint", "international students"
"international water" » "international law", "international trade", "international transfer"
"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 patients") or ("international patient"))) or ((("international water") OR ("international actor"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("international patients") OR ("international patient"))) OR ((("international water") OR ("international actor")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"international patients\") or (\"international patient\"))) or (((\"international water\") OR (\"international actor\"))))".
• Removing quotes may allow a broader search: (((( international patients ) or ( international patient ))) or ((( international water ) OR ( international actor )))).
• Adding a wildcard symbol may retrieve word variants: (((("international patients") or ("international patient"))) or ((("international water") OR ("international actor"))))*.