Perhaps you should try some spelling variations:
4.7 communication » 2.7 communication, 4.1 communication, 4.1.7 communication
information fair » information unfair, information fake, information failure
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
a information » 2 information, 1 information
technology a » technology 1, technology 3, technology 4
de afrique » de l'afrique, en afrique, l afrique
trade 4.7 » trade 4.1, trade 4.2, trade 4.3
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 a information fair trade 4.7 communication costs a developpement de afrique.*.