Perhaps you should try some spelling variations:
data communication » data communications
based formulation » basic formulation, case formulation, based simulation
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
formulation 4 » formulation _, formulation 3, formulation 2.4
file data » chile data, file path, profile data
4 file » _ file, a file, 4 fine
3 le » 3 les, 3 la, 1 le

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

• Adding a wildcard symbol may retrieve word variants: technology based formulation 4 file data communication 3 le developpement en afrique.*.