Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies daf » technologies dans, technologies a, technologies de
developpement en » developpement et, developpement des, developpement de
daf information » f information, math information, 2 information
information 1.3 » information 14.3, information 1.2, information 10.4
a developpement » au developpement, de developpement, le developpement
does data » does cat
1.3 does » 12.3 does, 18.3 does, 13 does
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: technologies daf information 1.3 does data communications costs a developpement en afrique.*.