Perhaps you should try some spelling variations:
3.7 communication » 3.2 communication, 2.7 communication, 3.5 communication
inflation target » inflation targeting, inflation rate, inflation rates
developpement de » developpement des, developpement durable
technology a » technology 1, technology 3, technology 4
a inflation » _ inflation, 2 inflation, 6 inflation
de afrique » de l'afrique, en afrique, l afrique
range 3.7 » change 3.7, age 3.7, range 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology a inflation target range 3.7 communication costs _ developpement de afrique.*.