Perhaps you should try some spelling variations:
communication between » communication networks
age developpement » de developpement, le developpement, au developpement
developpement de » developpement des, developpement durable
2.2 formulation » 2.2 formulations, 1.2 formulation, 2.1 formulation
technology 2.2 » technology _, technology 1, technology 3
formulation do » formulation de, formulation du, formulation des
between age » between a
de afrique » de l'afrique, en afrique, l afrique
dogs mass » does mass, das mass
do dogs » do does

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 formulation do dogs mass communication between age developpement de afrique.*.