Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
development process » development projects, development programs, development policies
river development » driven development, water development, power development
relations 7.5.4 » relations 7.4.4, relations 7.4.2, relations 7.4.3
technology et » technology e, technology ecit, technology eimt
et relations » des relations, 3 relations, ethnic relations
costs river » costs drivers, costs over, costs rise
und device » end device, und service, end devices
7.5.4 und » 7.5.4 une, 7.5.1 une, 7.5.2 une
process a » process 3, process 1, processes a

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

• Adding a wildcard symbol may retrieve word variants: technology et relations 7.5.4 und device communication costs river development process a.*.