Perhaps you should try some spelling variations:
information centers » information contents, information officers
oral communication » personal communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
developing av » developing a, developing ai, developing amp
centers real » century real, center al, center area
real oral » real deal, real goal
costs 7.3 » costs 2.3, costs 4.3, costs 5.3
av africa » v africa, iv africa, can africa

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

• Adding a wildcard symbol may retrieve word variants: technologien als information centers real oral communication costs 7.3 developing av africa.*.