Perhaps you should try some spelling variations:
"artech does _ telecommunications series." » "artech does _ telecommunications services.", "artech does _ telecommunication services.", "artech does _ telecommunications service.", "artech does _ telecommunication series.", "artech house _ telecommunications series."
"artech does mobile communications series." » "artech does mobile communication series.", "artech does mobile communications services.", "artech does mobile communication services.", "artech house mobile communications series.", "artech das mobile communications series."

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 does _ telecommunications series."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"artech does mobile communications series.\") OR (\"artech does _ telecommunications series.\"))".
• Removing quotes may allow a broader search: (( artech does mobile communications series. ) OR ( artech does _ telecommunications series. )).
• Adding a wildcard symbol may retrieve word variants: (("artech does mobile communications series.") OR ("artech does _ telecommunications series."))*.