Perhaps you should try some spelling variations:
oral communication » personal communication
information needs » information networks
state development » estate development, stable development, staff development
development case » development china
communication 3 » communication _, communication a
technologies 4 » technologies _
4 information » 2 information, 1 information
case africa » cases africa, care africa, curse africa
needs 3 » needs _, needs a
3 state » 2 state
3 oral » _ oral, 2 oral, 4 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 needs 3 oral communication 3 state development case africa.*.