Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
et developpement » de developpement, le developpement, test development
education water » education matter, education after, education rate
developpement l » developpement il, developpement la, developpement de
water service » water services
technology 3 » technology _, technology 1, technology 4
3 education » 2 education
service 6.2 » services 6.2, service 2.2, service 3.2
l afrique » en afrique
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 3 education water service 6.2 communication costs et developpement l afrique.*.