Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 1 » technologies _, technologies 4, technologies 2
contents label » contents fase, contents local
3.1 developing » 3.3 developing, 3.2 developing, 4.1 developing
developing de » developing e, developing ce, developing deep
label oral » label global
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
de africa » does africa, de america, use africa

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information contents label oral communication costs 3.1 developing de africa.*.