Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement de » developpement des, developpement durable
technology low » technology flow, technology law, technology led
targeting race » targeting bace, targeting price, targeting case
low inflation » core inflation, _ inflation
de afrique » de l'afrique, en afrique, l afrique
race 6.2 » grace 6.2, race 4.2, race 6.4

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

• Adding a wildcard symbol may retrieve word variants: technology low inflation targeting race 6.2 communication costs _ developpement de afrique.*.