Perhaps you should try some spelling variations:
developpement rural » development rural, developpement durable, development moral
data communication » data communications
basic formulation » basic population, bayesian formulation, policy formulation
die developpement » de developpement, le developpement, du developpement
technology basic » technology based, technology asia, terminology basic
formulation who » formulation where, formulation _, formulation 3
communication 2 » communication _, communication a, communication 3
rural afrique » rural africa
does data » does cat
who does » whom does, who goes, who loses

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

• Adding a wildcard symbol may retrieve word variants: technology basic formulation who does data communication 2 die developpement rural afrique.*.