Perhaps you should try some spelling variations:
oral communication » personal communication
technologies new » technologies _, technologies 4, technologies 2
new information » 2 information
information can » information case, information 1, information 1.2
4 development » 2 development, 4 developing
bank africa » bank's africa, can africa, banking africa
de oral » de otras, new oral
costs 4 » costs _, costs a, costs 4.2
can de » can do, can code, can deal

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

• Adding a wildcard symbol may retrieve word variants: technologies new information can de oral communication costs 4 development bank africa.*.