Perhaps you should try some spelling variations:
price information » private information, price inflation
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
technology price » technology rich, technology voice, technology service
developpement de » developpement des, developpement durable
information per » information super, information part, information pt
4 developpement » de developpement, le developpement, et developpement
de afrique » de l'afrique, en afrique, l afrique
costs 4 » costs _, costs a, costs 4.2
se 4.2 » use 4.2, see 4.2, sne 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology price information per se 4.2 communication costs 4 developpement de afrique.*.