Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
inflation targets » inflation target, inflation targeting, inflation rates
developpement de » developpement des, developpement durable
technology 3 » technology _, technology 1, technology 4
targets race » target rate, markets race, targets rule
3 inflation » _ inflation, 2 inflation, 6 inflation
de afrique » de l'afrique, en afrique, l afrique
race 3.1 » rice 3.1, race 3.7, space 3.1

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation targets race 3.1 communications costs _ developpement de afrique.*.