Perhaps you should try some spelling variations:
"mars communication israel" » "mars communication issues", "mars communication iran", "mars communication iraq", "mass communication israel", "mass communications israel", "markets communication israel"
"its colonization israel" » "its colonization still", "its colonization history", "its decolonization islam", "anti colonization israel", "jews colonization israel", "mars colonization israel"
"early cooperation still" » "early operation still", "early cooperative still", "energy cooperation still", "early cooperation scale", "early cooperation state", "early cooperation studies"

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: (((("mars communication israel") or ("its colonization israel"))) or ("early cooperation still"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mars communication israel") OR ("its colonization israel"))) OR ("early cooperation still")).
• Removing quotes may allow a broader search: (((( mars communication israel ) or ( its colonization israel ))) or ( early cooperation still )).
• Adding a wildcard symbol may retrieve word variants: (((("mars communication israel") or ("its colonization israel"))) or ("early cooperation still"))*.