Perhaps you should try some spelling variations:
telecommunication history » telecommunication sector, telecommunication sectors, telecommunication industry
communication history » communication sector, communication theory, communication how
cooperation history » corporation history, federation history
jews cooperation » de cooperation, et cooperation, eu cooperation

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( jews ((communication history) OR (telecommunication history)) ) or ( jews cooperation history ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( jews ((communication history) OR (telecommunication history)) ) OR ( jews cooperation history )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( jews ((communication history) OR (telecommunication history)) ) or ( jews cooperation history ))".
• Adding a wildcard symbol may retrieve word variants: (( jews ((communication history) OR (telecommunication history)) ) or ( jews cooperation history ))*.