Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
chapter information » computer information, change information, career information
information hund » information und, informations und, informationen und
3.3 developing » 4 developing, 2 developing, 1 developing
developing e » developing _, developing a, developing east
das mobile » does mobile, a mobile
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
hund das » und das, hund des, round das
e areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: techniques chapter information hund das mobile communications costs 3.3 developing e areas.*.