Perhaps you should try some spelling variations:
4.2 developpement » 4.2 development, de developpement, le developpement
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
developpement de » developpement des, developpement durable
inflation wages » inflation rates, inflation taxes, inflation targets
technology 4.1 » technology 3.1, technology 2.1, technology 1
4.1 inflation » 5.4.1 inflation, 2.3 inflation, 3.2 inflation
wages case » ages case, wages close, cases case
de afrique » de l'afrique, en afrique, l afrique
case 2.2 » cases 2.2, case 4.2, case 2.3

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 wages case 2.2 communication costs 4.2 developpement de afrique.*.