Perhaps you should try some spelling variations:
communication united » telecommunication united
leur developpement » le developpement, deux developpements, de developpement
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement de » developpement des, developpement durable
formulation de » formulation des, formulacion de, formulation du
de afrique » de l'afrique, en afrique, l afrique
does 4.1 » does 4.8
de does » der does, do does, one does

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

• Adding a wildcard symbol may retrieve word variants: technologies _ formulation de does 4.1 communication united leur developpement de afrique.*.