Perhaps you should try some spelling variations:
dams developpement » dams development, de developpement, du developpement
mis communication » mass communication, c's communication, mass communications
developpement en » developpement et, developpement des, developpement de
validation data » validation des, validation stage
communication 1 » communication _, communication a, communication 3
typologies 2.3 » typologies 2.5, typologies 6.3, typologie 1.3
2.3 validation » 20.3 validation, 3.3 validation, 2.2 validation
1 dams » 1 das, _ dams, 6 dams

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

• Adding a wildcard symbol may retrieve word variants: typologies 2.3 validation data do mis communication 1 dams developpement en afrique.*.