Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
back information » bank information, pack information, lack information
technology back » technology book, technology stacks, technology based
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
information a » information age, information about
l afrique » en afrique
from 3.2 » from 1.2, from 3.1, from 3.2.2
costs 4 » costs _, costs a, costs 4.2
a from » 1 from, dna from

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

• Adding a wildcard symbol may retrieve word variants: technology back information a from 3.2 communication costs 4 developpement l afrique.*.