Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 2 » technologies _, technologies 4
4.3 developing » 3.3 developing, 1.3 developing, 7.3 developing
developing de » developing e, developing ce, developing deep
contents mit » contents mot, contents list, contents main
costs 4.3 » costs 4.2, costs 4.4, costs 2.3
de africa » does africa, de america, use africa
mit oral » mit olaf

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents mit oral communication costs 4.3 developing de africa.*.