Perhaps you should try some spelling variations:
"international actor" » "international edition"
"international watercourses" » "international patientcourses", "international lawcourses", "international tradecourses"
"international water" » "international patient", "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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("international watercourses") or ("international laws"))) or ((("international actor") or ("international water"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("international watercourses") OR ("international laws"))) OR ((("international actor") OR ("international water")))).
• Removing quotes may allow a broader search: (((( international watercourses ) or ( international laws ))) or ((( international actor ) or ( international water )))).
• Adding a wildcard symbol may retrieve word variants: (((("international watercourses") or ("international laws"))) or ((("international actor") or ("international water"))))*.