Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
technology trade » technology trends, technology transfer, technology transfers
trade innovation » trade information, drive innovation, trade integration
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
model date » model data, model kate, model update
date 2.3 » daten 2.3, data 2.3, rate 2.3
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology trade innovation model date 2.3 communication costs a developpement en afrique.*.