Perhaps you should try some spelling variations:
communication model » communication media
technologies rate » technologies create, technologies ret, technologies case
rate information » trade information, care information, age information
developpement en » developpement et, developpement des, developpement de
information a » information age, information about
de risk » e risk, de risi, edge risk
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies rate information a de risk communication model _ developpement en afrique.*.