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"
"de cooperation studies" » "de cooperation series", "de cooperation sources", "de cooperation implies", "2 cooperation studies", "trade cooperation studies", "area cooperation studies"
"its migration history" » "u.s migration history", "us migration history", "cs migration history"

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 ("de cooperation studies"))) or ("its migration history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("its colonization israel") OR ("de cooperation studies"))) OR ("its migration history"))*.
• Removing quotes may allow a broader search: (((( its colonization israel ) or ( de cooperation studies ))) or ( its migration history ))*.