Perhaps you should try some spelling variations:
"re colonization israel" » "re communication israel", "re colonization still", "re colonization history", "pro colonization israel", "_ colonization israel", "jews colonization israel"
"re cooperation still" » "re cooperation scale", "re cooperation state", "re cooperation studies", "area cooperation still", "rate cooperation still", "une cooperation still"
"de cooperation still" » "de cooperation scale", "de cooperation state", "de cooperation studies", "2 cooperation still", "trade cooperation still", "area cooperation 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: (("re colonization israel") or ((("re cooperation still") OR ("de cooperation still"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("re colonization israel") OR ((("re cooperation still") OR ("de cooperation still")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"re colonization israel\") or (((\"re cooperation still\") OR (\"de cooperation still\"))))".
• Removing quotes may allow a broader search: (( re colonization israel ) or ((( re cooperation still ) OR ( de cooperation still )))).
• Adding a wildcard symbol may retrieve word variants: (("re colonization israel") or ((("re cooperation still") OR ("de cooperation still"))))*.