Perhaps you should try some spelling variations:
communication models » communications models, communication model, communication modes
oral communication » personal communication
technologies de » technologies _, technologies 4, technologies 2
de information » die information, de informacion, e information
development l » development li, development 1, development law
models human » model human, modern human, modeling human
flows how » flow how, flow low, flows do
l afrique » en afrique
how oral » how moral, how rural, how arab

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

• Adding a wildcard symbol may retrieve word variants: technologies de information flows how oral communication models human development l afrique.*.