Perhaps you should try some spelling variations:
des developpement » des developpements, de developpement, le developpement
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
information 1.2 » information 1.5.2, information 2
communication 3 » communication _, communication a
des afrique » en afrique, de l'afrique
3 des » 3 der, 3 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technology trade information 1.2 _ mass communication 3 des developpement des afrique.*.