Perhaps you should try some spelling variations:
oral communication » personal communication
developing real » developing areas, developing a, developing east
technologies 1 » technologies _, technologies 4, technologies 2
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
contents new » contexts new, contents how, contents je
real africa » rural africa, areas africa, health africa
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
new oral » new moral, knew moral, new rural

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information contents new oral communication costs 3.5 developing real africa.*.