Perhaps you should try some spelling variations:
communication israel » communication issues, communication iran, communication iraq
nets communication » lea's communication, mass communication, c's communication
mars colonization » mrsa colonization, jews colonization, pro colonization
its colonization » anti colonization, jews colonization, mrsa colonization

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nets communication israel ) or ( ((its colonization) or (mars colonization)) notes ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nets communication israel ) OR ( ((its colonization) OR (mars colonization)) notes )).
• Adding a wildcard symbol may retrieve word variants: (( nets communication israel ) or ( ((its colonization) or (mars colonization)) notes ))*.