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