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

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 patient"))) OR ("international laws"))) OR ("international water"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"international waters\") OR (\"international patient\"))) or (\"international laws\"))) or (\"international water\"))~".
• Removing quotes may allow a broader search: (((((( international waters ) OR ( international patient ))) or ( international laws ))) or ( international water ))~.
• Adding a wildcard symbol may retrieve word variants: (((((("international waters") OR ("international patient"))) or ("international laws"))) or ("international water"))*.