Perhaps you should try some spelling variations:
technology higher » technology high, technology other, technology rights
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
higher inflation » high inflation, higher education
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
inflation a » inflation _, inflation tax, inflation rate
de afrique » de l'afrique, en afrique, l afrique
case 6.2 » case 6.12, case f6.2, case 4.2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology higher inflation a case 6.2 communication costs 4 developpement de afrique.*.