Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
oral communication » personal communication
technologies 4 » technologies _
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
4 information » 2 information, 1 information
developing a » developing _
content 16 » content 1, content 6, content 10
costs 4.4 » costs 4.2
a africa » 1 africa, can africa, em africa
16 oral » 16 moral, 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: technologies 4 information content 16 oral communication costs 4.4 developing a africa.*.