Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
dam developpement » de developpement, du developpement, au developpement
developpement de » developpement des, developpement durable
ii information » i information, 2 information, 1 information
technology ii » technology ict, technology 1, technology 3
information 3 » information 2
de afrique » de l'afrique, en afrique, l afrique
costs dam » cost dam, costs data, costs a
3 areas » 1 areas, 2 areas, 3 area

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

• Adding a wildcard symbol may retrieve word variants: technology ii information 3 areas case communication costs dam developpement de afrique.*.