Perhaps you should try some spelling variations:
6.12 communication » 6.2 communication, 6.1.3 communication, 3.2 communication
informationen und » informations und, information und, transformationen und
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
technology von » technology vi, technology vt, technology vision
de afrique » de l'afrique, en afrique, l afrique
cash 6.12 » case 6.12, care 6.12, cash 3.2
und cash » und case, und care, und carl
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 von informationen und cash 6.12 communication costs 4 developpement de afrique.*.