Perhaps you should try some spelling variations:
oral communication » personal communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
168 developing » 1 developing, 10 developing, 1.3 developing
developing eu » developing e, developing eq, developing egg
contents non » contents note, contents co, contents how
costs 168 » costs 1, costs 4.8, costs 5.8
eu africa » em africa, 1 africa, 11 africa
non oral » non oil, non arab

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information contents non oral communication costs 168 developing eu africa.*.