Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
inflation taxes » inflation rates, inflation tax, inflation targets
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
taxes trade » states trade, tax trade, wages trade
trade 4.1 » trade 2.2, trade 3.2
l afrique » en afrique

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 taxes trade 4.1 communication costs _ developpement l afrique.*.