Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
new developpement » de developpement, le developpement, new development
technology cases » technology case, technology based, technology costs
developpement et » developpement des, developpement de, development east
cases inflation » taxes inflation, wages inflation, core inflation
inflation trade » inflation rate, inflation rates, inflation tax
trade rules » trade routes
et afrique » en afrique, l afrique
rules 3.2 » rules 4.2, rules 4.3
costs new » cost new, costs net, costs how

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

• Adding a wildcard symbol may retrieve word variants: technology cases inflation trade rules 3.2 communication costs new developpement et afrique.*.