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