Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
developpement il » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
from inflation » food inflation, from isolation, from information
inflation wage » inflation rate, inflation target, inflation rates
il afrique » l afrique, en afrique
wage rate » wage rates
rate 4.2 » rates 4.2, rate 4.3, rate 5.2
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 from inflation wage rate 4.2 communication costs a developpement il afrique.*.