Perhaps you should try some spelling variations:
communication effors » communication efforts, communication errors, communication factors
data communication » data communications
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
pt developpement » et developpement, et developpements, de developpement
developpement du » developpement de, developpement des, developpement et
information age » information storage, information access, information about
du afrique » en afrique, l afrique, de l'afrique
case data » cases data, base data, use data
age case » ages case, age care, age cave

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

• Adding a wildcard symbol may retrieve word variants: technology trade information age case data communication effors pt developpement du afrique.*.