Perhaps you should try some spelling variations:
"its colonization israel" » "its communication israel", "its colonization still", "its colonization history", "anti colonization israel", "jews colonization israel", "mars colonization israel"
"its cooperation studies" » "its cooperation series", "its cooperation sources", "its cooperation implies", "city cooperation studies", "et cooperation studies", "its corporation studies"
"its cooperation still" » "its cooperation scale", "its cooperation state", "its cooperation series", "city cooperation still", "et cooperation still", "its corporation still"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("its colonization israel") or ((("its cooperation still") OR ("its cooperation studies"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("its colonization israel") OR ((("its cooperation still") OR ("its cooperation studies")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"its colonization israel\") or (((\"its cooperation still\") OR (\"its cooperation studies\"))))".
• Removing quotes may allow a broader search: (( its colonization israel ) or ((( its cooperation still ) OR ( its cooperation studies )))).
• Adding a wildcard symbol may retrieve word variants: (("its colonization israel") or ((("its cooperation still") OR ("its cooperation studies"))))*.