Perhaps you should try some spelling variations:
routledge telecommunication » mobile telecommunication, contents telecommunication
"Routledge telecommunication services." » "Routledge telecommunications services.", "Routledge teletelecommunications services."
"Routledge communication services." » "Routledge telecommunications services."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("Routledge telecommunication services.") OR ("Routledge communication services."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Routledge telecommunication services.\") OR (\"Routledge communication services.\"))".
• Removing quotes may allow a broader search: (( Routledge telecommunication services. ) OR ( Routledge communication services. )).
• Adding a wildcard symbol may retrieve word variants: (("Routledge telecommunication services.") OR ("Routledge communication services."))*.