Perhaps you should try some spelling variations:
technology stable » technology state, technology scale, technology enabled
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
stable inflation » grade inflation
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
inflation safe » inflation rate, inflation rates, inflation taxes
spaces 6.2 » spaces 4.2, spaces 1.1, spaces 2.1
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technology stable inflation safe spaces 6.2 communication a de developpement en afrique.*.