Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 2 » technologies _, technologies 4
developing em » developing e, developing eq, developing amp
contents new » contexts new, contents how, contents je
a developing » a development
em africa » 1 africa
new oral » new moral, knew moral, new rural
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents new oral communication costs a developing em africa.*.