Perhaps you should try some spelling variations:
"routledge telecommunications series." » "routledge communication series.", "house telecommunications series.", "mobile telecommunications series.", "routledge communications series.", "contents telecommunications series.", "routledge telecommunications services.", "routledge telecommunication services.", "routledge telecommunications service."
"routledge telecommunication system." » "routledge communication system.", "mobile telecommunication system.", "contents telecommunication system.", "routledge telecommunication systems.", "routledge telecommunication sector.", "routledge telecommunication services."

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: (("routledge telecommunications series.") or ("routledge telecommunication system."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("routledge telecommunications series.") OR ("routledge telecommunication system.")).
• Removing quotes may allow a broader search: (( routledge telecommunications series. ) or ( routledge telecommunication system. )).
• Adding a wildcard symbol may retrieve word variants: (("routledge telecommunications series.") or ("routledge telecommunication system."))*.