Perhaps you should try some spelling variations:
developpement durable » developpement de
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
more information » price information, trade information
technology more » technology moral, technology make, technology mara
information per » information super, information part, information pt
a developpement » au developpement, de developpement, le developpement
costs a » costs _, costs 4
se 6.2 » sne 6.2, use 6.2, case 6.2

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 se 6.2 communication costs a developpement durable afrique.*.