Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
case information » care information, based information, phase information
techniques case » techniques laser, techniques based, techniques cost
information und » informations und
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing 4 » developing _, developing a, developing e
due mobile » die mobile, does mobile, auf mobile
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
und due » fund due, und de, und dauer
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: techniques case information und due mobile communications costs 3.2 developing 4 areas.*.