Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
developpement en » developpement et, developpement des, developpement de
inflation auf » inflation a, inflation rate, inflation _
technology a » technology 1, technology 3, technology 4
a inflation » _ inflation, 2 inflation, 6 inflation
auf range » auf lange, half range, a range
range 3.1 » range 2.1, range 3.7, arrange 3.1

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

• Adding a wildcard symbol may retrieve word variants: technology a inflation auf range 3.1 communications costs _ developpement en afrique.*.