Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
technology china » technology change, technology choice, technology can
developpement de » developpement des, developpement durable
china inflation » china information, china innovation, ein inflation
inflation wages » inflation rates, inflation taxes, inflation targets
4 developpement » de developpement, le developpement, et developpement
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
costs 4 » costs _, costs a, costs 4.2

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology china inflation wages case 2.2 communication costs 4 developpement de afrique.*.