Perhaps you should try some spelling variations:
trade developpement » trade developement, trade development, de developpement
technologies basic » technologies based, technologies bit, technologies big
data communication » data communications
basic formulation » basic population, bayesian formulation, policy formulation
communication hat » communication what, communication haiti, communications what
developpement de » developpement des, developpement durable
formulation 3 » formulation _, formulations _, formulating _
de afrique » de l'afrique, en afrique, l afrique
user data » use data, under data
hat trade » wheat trade, east trade, net trade
3 user » a user

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

• Adding a wildcard symbol may retrieve word variants: technologies basic formulation 3 user data communication hat trade developpement de afrique.*.