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 en » developpement et, developpement des, developpement de
communication 2 » communication _, communication a, communication 3
technologie 2 » technologies 2, technologie c, technologie 3
costs lake » costs case, costs land, costs linked
lake data » make data, care data, age data
2 human » 3 human

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

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