Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
technologies used » technologies based, technology used, technologies _
used information » user information, use information, based information
information 2.3 » information 12.3, information 1.3, information 2.2
3 development » 2 development
un device » any device, end device, own device
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies used information 2.3 un device communication costs 3 development _ areas.*.