Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
technology gaps » technology gap
formation under » formation des, formation over, estimation under
gaps formation » class formation, trans formation, its formation
under prices » user prices, under rice, under services
prices 2.1 » prices 2.4, prices 2.3, prices 3.1
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology gaps formation under prices 2.1 communication costs et developpement en afrique.*.