Perhaps you should try some spelling variations:
"belfer center for science and international actor" » "belfer center for science and international edition"
"belfer center for science and international water" » "belfer center for science and international patient", "belfer center for science and international trade", "belfer center for science and 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: (("belfer center for science and international actor") or ((("belfer center for science and international water") OR ("belfer center for science and international law"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("belfer center for science and international actor") OR ((("belfer center for science and international water") OR ("belfer center for science and international law")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"belfer center for science and international actor\") or (((\"belfer center for science and international water\") OR (\"belfer center for science and international law\"))))".
• Removing quotes may allow a broader search: (( belfer center for science and international actor ) or ((( belfer center for science and international water ) OR ( belfer center for science and international law )))).
• Adding a wildcard symbol may retrieve word variants: (("belfer center for science and international actor") or ((("belfer center for science and international water") OR ("belfer center for science and international law"))))*.