Perhaps you should try some spelling variations:
"re telecommunications sector" » "re telecommunications services", "web telecommunications sector", "_ telecommunications sector", "a telecommunications sector"
"re colonization israel" » "re communication israel", "re colonization still", "re colonization history", "pro colonization israel", "_ colonization israel", "jews colonization israel"
"_ cooperation still" » "_ cooperation scale", "_ cooperation state", "_ cooperation studies"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("_ cooperation still") or ((("re colonization israel") or ("re telecommunications sector"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("_ cooperation still") OR ((("re colonization israel") OR ("re telecommunications sector"))))*.
• Removing quotes may allow a broader search: (( _ cooperation still ) or ((( re colonization israel ) or ( re telecommunications sector ))))*.