Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
oral communication » personal communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
information 3 » information 2
developing a » developing _
non oral » non oil, non arab
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
a africa » 1 africa, can africa, em africa
3 non » _ non, a non, 3 von

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 3 non oral communication cost 2.2 developing a africa.*.