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

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

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