Perhaps you should try some spelling variations:
f6.2 communication » 6.2 communication, 7.6.2 communication, 3.2 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
rate case » state case, write case, rate caps
case f6.2 » case 6.2, case f5.2, case 4.6.2
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 rate case f6.2 communication costs le developpement de afrique.*.