Perhaps you should try some spelling variations:
communications series » communications services, communication services, communication service
communication series » communication services, communication systems, communication skills
artech does » artech house
does mobile » das mobile
artech des » arten des
des mobile » das mobile, less mobile, day mobile

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( artech does mobile communications series. ) or ( artech des mobile communication series. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( artech does mobile communications series. ) OR ( artech des mobile communication series. )).
• Adding a wildcard symbol may retrieve word variants: (( artech does mobile communications series. ) or ( artech des mobile communication series. ))*.