Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 2 » technologies _, technologies 4
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
contents mit » contents mot, contents list, contents main
developing e » developing _, developing a, developing east
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
mit oral » mit olaf
e africa » em africa, de africa, eu africa

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 4.1 developing e africa.*.