Perhaps you should try some spelling variations:
routledge telecommunication » mobile telecommunication
telecommunication systemss » telecommunication system, telecommunications systems, telecommunications system
telecommunication systems » communication systems, telecommunications markets, 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 systemss. ) or ( routledge telecommunication systems. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( routledge telecommunication systemss. ) OR ( routledge telecommunication systems. )).
• Adding a wildcard symbol may retrieve word variants: (( routledge telecommunication systemss. ) or ( routledge telecommunication systems. ))*.