Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
technology wages » technology age, technology week, technology usage
developpement il » developpement de, developpement et, developpement du
wages inflation » wage inflation, age inflation, cases inflation
inflation trade » inflation rate, inflation rates, inflation tax
trade rules » trade routes
il afrique » l afrique, en afrique
rules 2.2 » rules 3.2, rules 4.2, rules 4.3

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

• Adding a wildcard symbol may retrieve word variants: technology wages inflation trade rules 2.2 communication a leur developpement il afrique.*.