Perhaps you should try some spelling variations:
"international patients" » "international patient", "international students", "international segments"
"international waters" » "international patient", "international actor", "international watercourses", "international actors", "international patients", "international laws"
"international water" » "international actor", "international patient", "international law"
"international laws" » "international law", "international trade", "international 4"

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