Perhaps you should try some spelling variations:
6.12 communication » 6.2 communication, 6.1.3 communication, 3.2 communication
developpement de » developpement des, developpement durable
information und » informations und
4 developpement » de developpement, le developpement, et developpement
vt information » ct information, get information, iot information
technology vt » technology vi, technology 1, technology 3
de afrique » de l'afrique, en afrique, l afrique
case 6.12 » care 6.12, case 6.1, case 6.13
und case » und care, und cash, id case
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 vt information und case 6.12 communication costs 4 developpement de afrique.*.