Perhaps you should try some spelling variations:
data communication » data communications
based formulation » basic formulation, case formulation, based simulation
les developpement » le developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
formulation 2 » formulation _, formulation 3, formulation 4
file data » chile data, file path, profile data
2 file » _ file, a file, 2 film
3 les » 2 les, 1 les, 5 les

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

• Adding a wildcard symbol may retrieve word variants: technology based formulation 2 file data communication 3 les developpement en afrique.*.