Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
developpement il » developpement de, developpement et, developpement du
inflation wages » inflation rates, inflation taxes, inflation targets
4 developpement » de developpement, le developpement, et developpement
wages case » ages case, wages close, cases case
il afrique » l afrique, en afrique
case 2.2 » cases 2.2, case 4.2, case 2.3
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 case 2.2 communication costs 4 developpement il afrique.*.