Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
oral communication » personal communication
technologien fair » technologien fur, technologies fail, technologien als
fair information » fairs information, fur information, labor information
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing de » developing e, developing ce, developing deep
content 3 » content _, content 1
costs 2.3 » costs 4.2, costs 4.4
de africa » does africa, de america, use africa
3 oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien fair information content 3 oral communication costs 2.3 developing de africa.*.