Perhaps you should try some spelling variations:
developpements manuel » developpement manuel, development manuel, developpement quel
data communication » data communications
et developpements » et developpement, des developpements, en developpement
communication 1 » communication _, communication a, communication 3
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
wage data » wage rate
1 et » 12 et, 13 et, 1 net

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

• Adding a wildcard symbol may retrieve word variants: technologies a information _ wage data communication 1 et developpements manuel afrique.*.