Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.7 communications » 3.1 communications, 2.7 communication, 3 communications
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
inflation tax » inflation rate, inflation _, inflation target
technology a » technology 1, technology 3, technology 4
a inflation » _ inflation, 2 inflation, 6 inflation
tax age » tax base, tax edge
age 3.7 » age 3.1, age 3.3, age 8.7
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology a inflation tax age 3.7 communications costs a developpement en afrique.*.