Perhaps you should try some spelling variations:
oral communication » personal communication
developing china » developing china's, development china, developing caring
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
technologie c » technologies 2, technologies 3, technologies 1
c information » 2 information, 1 information, 10 information
contents key » contents je, contents head, contents lead
china africa » cpia africa, china asia
costs 7.3 » costs 2.3, costs 4.3, costs 5.3
key oral » key brac, why 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 key oral communication costs 7.3 developing china africa.*.