Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
case information » care information, based information, phase information
techniques case » techniques laser, techniques based, techniques cost
information und » informations und
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
developing 4 » developing _, developing a, developing e
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
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 der online communication costs 3.5 developing 4 areas.*.