Perhaps you should try some spelling variations:
"telecommunication servicess action." » "telecommunication services action.", "telecommunications services action.", "telecommunication service action.", "telecommunication services section.", "telecommunication services option.", "telecommunication services adoption."
"telecommunication system active." » "telecommunication systems active.", "telecommunication sector active.", "telecommunication services active.", "telecommunication system achieve.", "telecommunication system activity.", "telecommunication system passive."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("telecommunication system active.") or ("telecommunication servicess action."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("telecommunication system active.") OR ("telecommunication servicess action."))*.
• Removing quotes may allow a broader search: (( telecommunication system active. ) or ( telecommunication servicess action. ))*.