Perhaps you should try some spelling variations:
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
inflation wages » inflation rates, inflation taxes, inflation targets
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
close 5.2 » closer 5.2, case 5.2, close 2
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: technologien _ inflation wages close 5.2 communication costs 4 developpement l afrique.*.