Perhaps you should try some spelling variations:
technologies reduce » technologies products, technologies related, technologies release
reduce formulation » rule formulation, recourse formulation, schedule formulation
formulation over » formation over, formulation model, formulation where
de communication » mobile communication, online communication
b3 developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
over x » over _, over a, over 2
x de » x die, x der, dx de

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

• Adding a wildcard symbol may retrieve word variants: technologies reduce formulation over x de communication _ b3 developpement de afrique.*.