Perhaps you should try some spelling variations:
communication model » communication media
risi communication » risk communication, crisis communication, risk communications
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
a afrique » l afrique, en afrique
flows de » flows do, flows debt, flows bei
de risi » de risk, de risco
model a » model 1

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

• Adding a wildcard symbol may retrieve word variants: technologies a information flows de risi communication model a development a afrique.*.