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 actor" » "international edition"
"international water" » "international law", "international trade", "international transfer"

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 actor") or ("international water"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("international patients") OR ("international patient"))) OR ((("international actor") OR ("international water")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"international patients\") OR (\"international patient\"))) or (((\"international actor\") or (\"international water\"))))".
• Removing quotes may allow a broader search: (((( international patients ) OR ( international patient ))) or ((( international actor ) or ( international water )))).
• Adding a wildcard symbol may retrieve word variants: (((("international patients") OR ("international patient"))) or ((("international actor") or ("international water"))))*.