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
et communication » et communicatione, get communication, debt communication
3d developing » 3 developing, 3.3 developing, 3.2 developing
developing em » developing e, developing eq, developing amp
contents due » contents auf, contents je, contents data
em africa » 1 africa
cost 3d » cost 3.2, cost 3.4, cost 3.5
due et » due debt, due east

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 et communication cost 3d developing em africa.*.