Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
informacion back » information bank, information pack, information banks
communications a » communications _, communications law, communications media
technologies 4 » technologies _
4 informacion » 4 information, e informacion, de informacion
des afrique » en afrique, de l'afrique
back arc » back yard, back a, back c
arc data » crc data, htrc data, c data

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 informacion back arc data communications a leur developpement des afrique.*.