Perhaps you should try some spelling variations:
developpements manuel » developpement manuel, development manuel, developpement quel
data communication » data communications
der developpements » des developpements, deux developpements, de 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 der » _ der, 2 der, 3 der

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 der developpements manuel afrique.*.