Perhaps you should try some spelling variations:
deux developpement » deux developpements, de developpement, du developpement
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
communication 5 » communication _, communication a, communication 3
information pt » information part, information 1, information 1.2
des afrique » en afrique, de l'afrique
2 mass » 25 mass, a mass, 1 mass
5 deux » a deux, 2 deux, 3 deux

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

• Adding a wildcard symbol may retrieve word variants: technology trade information pt 2 mass communication 5 deux developpement des afrique.*.