Perhaps you should try some spelling variations:
data communication » data communications
formulation where » formulation over, formulation des, calculation where
b2 developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
where loss » where does, where most, where gods
de afrique » de l'afrique, en afrique, l afrique
loss data » loss rate
3 b2 » 3 b2b, 3 2, 3 b

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

• Adding a wildcard symbol may retrieve word variants: technologies _ formulation where loss data communication 3 b2 developpement de afrique.*.