Perhaps you should try some spelling variations:
routledge telecommunications » mobile telecommunications, rural telecommunications, mobile telecommunication
"Routledge telecommunications series." » "Routledge telecommunications services.", "Routledge telecommunication services.", "Routledge telecommunications service."
"routledge communication systems." » "routledge communication system."

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