Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
inflation states » inflation rates, inflation taxes, inflation starts
developpement il » developpement de, developpement et, developpement du
technology 2.2 » technology _, technology 1, technology 3
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
states trade » states state, states three
il afrique » l afrique, en afrique
trade 3.2 » trade 2.2, trade 2, trade 4.1

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 states trade 3.2 communication costs _ developpement il afrique.*.