Perhaps you should try some spelling variations:
"international patients" » "international patient", "international students", "international segments"
"international waters" » "international patient", "international watercourses", "international law", "international patients", "international laws", "international transfers"
"international actor" » "international edition"
"international water" » "international patient", "international law", "international transfer"
"international trade" » "international law", "international student", "international finance"

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