Perhaps you should try some spelling variations:
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
inflation target » inflation targeting, inflation rate, inflation rates
de developpement » sme development
developpement de » developpement des, developpement durable
technology 4.1 » technology 3.1, technology 2.1, technology 1
4.1 inflation » 5.4.1 inflation, 2.3 inflation, 3.2 inflation
target trade » target grade, market trade, target rate
trade 3.1 » trade 3.2, trade 4.1, trade 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology 4.1 inflation target trade 3.1 communications _ de developpement de l'afrique.*.