Perhaps you should try some spelling variations:
human developpement » human development, human developments, un developpement
data communication » data communications
information costs » information contents, information centers, information content
developpement de » developpement des, developpement durable
technologies 2 » technologies _, technologies 4
costs lake » costs case, costs land, costs linked
de afrique » de l'afrique, en afrique, l afrique
lake data » make data, care data, age data

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information costs lake data communication _ human developpement de afrique.*.