Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
technology high » technology rights, technology how, technology help
de afrique » de l'afrique, en afrique, l afrique
case 2.7 » case 2.3, case 2.1, case 2.2
costs le » 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 high inflation _ case 2.7 communication costs le developpement de afrique.*.