Perhaps you should try some spelling variations:
"Artech House _ telecommunications service." » "Artech House _ telecommunications services.", "Artech House _ telecommunication services.", "Artech House _ telecommunications provider."
"artech house mobile communications series." » "artech house mobile communication series.", "artech house mobile communications services.", "artech house mobile communication services.", "artech use mobile communications series.", "artech more mobile communications series.", "artech case mobile communications series."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("artech house mobile communications series.") or ("Artech House _ telecommunications service."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("artech house mobile communications series.") OR ("Artech House _ telecommunications service.")).
• Removing quotes may allow a broader search: (( artech house mobile communications series. ) or ( Artech House _ telecommunications service. )).
• Adding a wildcard symbol may retrieve word variants: (("artech house mobile communications series.") or ("Artech House _ telecommunications service."))*.