Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
technology trois » technology tools, technology thesis, technology trends
developpement de » developpement des, developpement durable
trois solutions » across solutions, crisis solutions, strong solutions
a developpement » au developpement, de developpement, le developpement
based rate » based rebate, based water, based route
de afrique » de l'afrique, en afrique, l afrique
rate 4.2 » rates 4.2, rate 4.3, rate 5.2
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 trois solutions based rate 4.2 communication costs a developpement de afrique.*.