Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
risk communication » _ communication, mobile communication
technologies care » technologies create, technologies a, technologies any
care information » more information, can information, change information
information et » information act, information _, information need
development co » development _, development a, development case
de risk » de risi, does risk, edge risk

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

• Adding a wildcard symbol may retrieve word variants: technologies care information et de risk communication costs _ development co afrique.*.