Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
clear developpement » leur developpement, clean development, le developpement
god communications » do communications, good communication, gabon communications
technology state » technology strategy, technology system, technology study
developpement en » developpement et, developpement des, developpement de
state formation » state estimation
formation 1.3 » formation 1.1, formation 5.3, formation 1.2
1.3 does » 12.3 does, 18.3 does, 13 does
does god » does good, does aid

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

• Adding a wildcard symbol may retrieve word variants: technology state formation 1.3 does god communications costs clear developpement en afrique.*.