Perhaps you should try some spelling variations:
"international patient" » "international student", "international joint", "international students"
"international waters" » "international law", "international trade", "international laws", "international trades", "international transfers"
"international actor" » "international edition"
"international water" » "international law", "international trade", "international transfer"
"international watercourses" » "international lawcourses", "international tradecourses", "international transfercourses"

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