Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
informacion des » informacion de, information does, informacion en
a developpement » au developpement, de developpement, le developpement
technologies e » technologies et, technologies _, technologies 4
e informacion » de informacion, 4 informacion, e information
des crises » les crises, debt crises, des kreises
barriers a » barriers _, barrier _
crises de » crises _, crises a, crises 2

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

• Adding a wildcard symbol may retrieve word variants: technologies e informacion des crises de communication barriers a developpement en afrique.*.