Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
more information » price information, trade information
developpement de » developpement des, developpement durable
technology more » technology moral, technology make, technology mara
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
per case » per class, per se, our case
case 6.2 » case 6.12, case f6.2, case 4.2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology more information per case 6.2 communication costs 4 developpement de afrique.*.