Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
technology der » technology does, technology 4ir, technology dlt
der tradition » _ tradition
programs 4.2 » programs 2.2, programs _, programs a
tradition 2 » tradition _, traditional _, tradition und
des afrique » en afrique, de l'afrique
2 programs » c programs, 1 programs, 2 program

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

• Adding a wildcard symbol may retrieve word variants: technology der tradition 2 programs 4.2 communication costs _ developpement des afrique.*.