Perhaps you should try some spelling variations:
l'usage communications » house communications, rural communications, language communication
technologies trade » technology trade, technologies case, technologies table
trade information » price information, private information, trade integration
die developpement » de developpement, le developpement, du developpement
developpement de » developpement des, developpement durable
information a » information age, information about
de l'usage » a l'usage, de l'age, de l'ouvrage
de afrique » de l'afrique, en afrique, l afrique
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies trade information a de l'usage communications _ die developpement de afrique.*.