Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
4.3 communication » 2.3 communication, 4.1 communication, 4 communication
technology usage » technology use, technology age, technology users
developpement et » developpement des, developpement de, development east
usage inflation » wage inflation, age inflation, usage information
inflation gats » inflation rates, inflation rate, inflation als
et afrique » en afrique, l afrique
rules 4.3 » rules 4.2, rules 3, rules 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology usage inflation gats rules 4.3 communication a leur developpement et afrique.*.