Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
developpement de » developpement des, developpement durable
inflation wages » inflation rates, inflation taxes, inflation targets
technology low » technology flow, technology law, technology led
low inflation » core inflation, _ inflation
wages case » ages case, wages close, cases case
de afrique » de l'afrique, en afrique, l afrique
case 3.2 » case 4.2, case 3.1, case 5.2

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

• Adding a wildcard symbol may retrieve word variants: technology low inflation wages case 3.2 communication costs _ developpement de afrique.*.