Perhaps you should try some spelling variations:
"international waters" » "international patient", "international law", "international trade", "international patients", "international laws", "international trades"
"international watercourses" » "international patientcourses", "international lawcourses", "international tradecourses"
"international water" » "international patient", "international law", "international trade"

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