Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
developpement la » developpement de, developpement et, developpement du
technology 2.2 » technology _, technology 1, technology 3
inflation wage » inflation rate, inflation target, inflation rates
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
la afrique » l afrique, la fabrique, en afrique
wage rate » wage rates
rate 3.2 » rates 3.2, rate 4.2, rate 5.2

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 wage rate 3.2 communication costs _ developpement la afrique.*.