Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
developpement de » developpement des, developpement durable
technology high » technology rights, technology how, technology help
4 developpement » de developpement, le developpement, et developpement
inflation auf » inflation a, inflation rate, inflation _
de afrique » de l'afrique, en afrique, l afrique
auf case » auf das, off case
case 2.3 » case 3, case 4.1, 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 high inflation auf case 2.3 communication costs 4 developpement de afrique.*.