Perhaps you should try some spelling variations:
"international patients" » "international patient", "international students", "international student"
"international segments" » "international students", "international student", "international patient"
"international waters" » "international patient", "international actor", "international watercourses", "international actors", "international patients", "international trades"
"international water" » "international actor", "international patient", "international trade"

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