Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.1 communications » 3.1 communications, 4.1 communication, 1.1 communication
inflation target » inflation targeting, inflation rate, inflation rates
developpement en » developpement et, developpement des, developpement de
technology 3 » technology _, technology 1, technology 4
target space » target spaces, market space, target species
3 inflation » _ inflation, 2 inflation, 6 inflation

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation target space 2.1 communications costs _ developpement en afrique.*.