Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
de communication » mobile communication, online communication
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
contents due » contents auf, contents je, contents data
developing e » developing _, developing a, developing east
cost 3.5 » costs 3.5, cost 3.2, cost 2.5
e africa » em africa, de africa, eu africa
due de » vue de, que de, due date

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

• Adding a wildcard symbol may retrieve word variants: technologien does information contents due de communication cost 3.5 developing e africa.*.