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