Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
law information » laws information, new information, how information
technology law » technology 1, technology 2.2, technology 3
information pt » information part, information 1, information 1.2
spaces mobile » success mobile, spaces mobilities
4 developing » 3 developing
pt spaces » lp spaces, 1 spaces, 15 spaces
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology law information pt spaces mobile communications costs 4 developing _ areas.*.