Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
laser information » labor information, based information, user information
techniques laser » techniques chapter, techniques a, techniques de
information fund » information und, informations und, information befunde
3 developing » 3 development
developing 4 » developing _, developing a, developing e
der mobile » der mobilen, der mobil, does mobile
fund der » und der, bund der, befund der
costs 3 » costs _, costs 4, costs a
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 laser information fund der mobile communications costs 3 developing 4 areas.*.