Perhaps you should try some spelling variations:
"international waters" » "international patient", "international actor", "international watercourses", "international actors", "international patients", "international transfers"
"international trade" » "international student", "international finance"
"international water" » "international actor", "international patient", "international transfer"
"international laws" » "international 4", "international _", "international issn"

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