Perhaps you should try some spelling variations:
oral communication » personal communication
15.3 developing » 1.3 developing, 10.3 developing, 5.3 developing
technologie c » technologies 2, technologies 3, technologies 1
c information » 2 information, 1 information, 10 information
developing a » developing _
contents 14 » contents 1, contents 19, contents 15.4
costs 15.3 » costs 12.3, costs 14.3, costs 5.3
a africa » 1 africa, can africa, em africa
14 oral » 4 oral, 1 oral, 10 oral

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

• Adding a wildcard symbol may retrieve word variants: technologie c information contents 14 oral communication costs 15.3 developing a africa.*.