Perhaps you should try some spelling variations:
4.6 communication » 4.1 communication, 7.6 communication, 11.6 communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technology 3 » technology _, technology 1, technology 4
index prices » index price, index places, index provinces
3 inflation » _ inflation, 2 inflation, 6 inflation
prices 4.6 » prices 4.2, prices 4.9, prices 6.6
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation index prices 4.6 communication costs de developpement en afrique.*.