Perhaps you should try some spelling variations:
data communication » data communications
communication case » communications case, communication based, communication phase
developpement en » developpement et, developpement des, developpement de
1 developpement » de developpement, le developpement, et developpement
formulation a » formulation _, formulation 3, formulation 4
dos data » das data, dhs data, des data
a dos » a das, a des, _ dos

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

• Adding a wildcard symbol may retrieve word variants: technologies _ formulation a dos data communication case 1 developpement en afrique.*.