Perhaps you should try some spelling variations:
"data communication issues" » "data community issues", "data communication india", "data communication united", "data communications issues"
"its colonization israel" » "its communication israel", "its colonization still", "its colonization history", "anti colonization israel", "jews colonization israel", "mars colonization israel"
"la cooperation studies" » "la cooperation series", "la cooperation sources", "la cooperation implies", "2 cooperation studies", "gulf cooperation studies", "area 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: (("its colonization israel") OR ((("data communication issues") OR ("la cooperation studies"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"its colonization israel\") OR (((\"data communication issues\") OR (\"la cooperation studies\"))))*".
• Removing quotes may allow a broader search: (( its colonization israel ) OR ((( data communication issues ) OR ( la cooperation studies ))))*.