Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
trade developpement » trade developement, trade development, de developpement
developpement en » developpement et, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a formulation » la formulation, _ formulation, 3 formulation
formulation 3 » formulation _, formulations _, formulating _
3 race » _ race, a race, 3 rate

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

• Adding a wildcard symbol may retrieve word variants: technologies a formulation 3 race class communication a trade developpement en afrique.*.