Perhaps you should try some spelling variations:
a developpement » au developpement, de developpement, le developpement
4 communication » 3 communication, 5.4 communication, de communication
developpement l » developpement il, developpement la, developpement de
technology 2.2 » technology _, technology 1, technology 3
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
rate rules » trade rules, water rules, wage rules
l afrique » en afrique
rules 4 » rules _
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 2.2 inflation rate rules 4 communication costs a developpement l afrique.*.