Perhaps you should try some spelling variations:
"international patient" » "international water", "international students", "internationalization _"
"international student" » "international students"
"international actor" » "international water", "international edition"
"international joint" » "international journal", "international issn", "international tourists"

You may be able to get more results by adjusting your search query.

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