Perhaps you should try some spelling variations:
"international patient" » "international student", "international joint", "international students"
"international waters" » "international actor", "international watercourses", "international trade", "international actors", "international trades", "international transfers"
"international trades" » "international trade", "international transfer", "international studies"
"international water" » "international actor", "international trade", "international transfer"

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