Perhaps you should try some spelling variations:
5.1 communication » 4.1 communication, 1.1 communication, 3.1 communication
der information » insider information, sector information, labor information
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technology der » technology does, technology 4ir, technology dlt
information 2 » information 3
practice 5.1 » practice 4.1, practice 1, practice 4
2 practice » 2 practices, 1 practice, 3 practice
l afrique » en afrique
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 der information 2 practice 5.1 communication costs 4 developpement l afrique.*.