Perhaps you should try some spelling variations:
oral communication » personal communication
gaps information » als information, gets information, laws information
development case » development china
technology gaps » technology gap
information 13 » information 1.3, information 3, information 1
3 development » 2 development
case africa » cases africa, care africa, curse africa
costs 3 » costs _, costs 4, costs a
4 oral » _ oral, 2 oral
13 4 » 13 14, 13 24, 13 _

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

• Adding a wildcard symbol may retrieve word variants: technology gaps information 13 4 oral communication costs 3 development case africa.*.