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