Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
inflation places » inflation policies, inflation process, inflation rates
technology low » technology flow, technology law, technology led
low inflation » core inflation, _ inflation
places spaces » place space
des afrique » en afrique, de l'afrique
spaces 2.1 » space 2.1, spaces 1.1, spaces 1

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

• Adding a wildcard symbol may retrieve word variants: technology low inflation places spaces 2.1 communication costs _ developpement des afrique.*.