Perhaps you should try some spelling variations:
routledge telecommunications » routledge communication, house telecommunications, mobile telecommunications
routledge telecommunication » routledge communication, mobile telecommunication, contents telecommunication
telecommunication systems » communication systems, telecommunication services

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( routledge telecommunication systems. ) or ( routledge telecommunications services. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( routledge telecommunication systems. ) OR ( routledge telecommunications services. )).
• Adding a wildcard symbol may retrieve word variants: (( routledge telecommunication systems. ) or ( routledge telecommunications services. ))*.