Perhaps you should try some spelling variations:
des communication » les communications, nets communication, c's communication
de developpement » sme development
developpement de » developpement des, developpement durable
technology 3.2 » technology 2.2, technology 3.1, technology 2
3.2 regulation » 3.1 regulation, 3.2 relation, de regulation
regulation a » regulation _
case des » cases des, case das, phase des
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 3.2 regulation a case des communication costs de developpement de l'afrique.*.