Perhaps you should try some spelling variations:
4.5 communication » 3.5 communication, 4.1 communication, 2.5 communication
a developpement » au developpement, de developpement, le developpement
inflation wage » inflation rate, inflation target, inflation rates
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
des afrique » en afrique, de l'afrique
rates 4.5 » rates 4.2
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation wage rates 4.5 communication costs a developpement des afrique.*.