Perhaps you should try some spelling variations:
data communication » data communications
communication 3.3 » communication _, communication a, communication 1
dem developpement » de developpement, des developpements, le developpement
developpement en » developpement et, developpement des, developpement de
technologies 4 » technologies _
4 information » 2 information, 1 information
information 2 » information 3
wage data » wage rate
3.3 dem » 3.3 der, 2.3 dem, 3.3 de
2 wage » _ wage, 1 wage, 2 wave

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 2 wage data communication 3.3 dem developpement en afrique.*.