Perhaps you should try some spelling variations:
4.2 developpement » 4.2 development, de developpement, le developpement
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
developpement de » developpement des, developpement durable
technology 4.1 » technology 3.1, technology 2.1, technology 1
inflation wage » inflation rate, inflation target, inflation rates
4.1 inflation » 5.4.1 inflation, 2.3 inflation, 3.2 inflation
de afrique » de l'afrique, en afrique, l afrique
wage rate » wage rates
rate 5.2 » rates 5.2, rate 5.4, rate 4.2

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 wage rate 5.2 communication costs 4.2 developpement de afrique.*.