Perhaps you should try some spelling variations:
2.2.5.4 communication » 12.2.4 communication, 2.2.3 communication, 12.4.4 communication
de developpement » sme development
price 2.2.5.4 » prices 2.2.5.7
technology 6 » technology _, technology 1, technology 3
6 inflation » _ inflation, 2 inflation, d inflation
inflation a » inflation _, inflation tax, inflation rate
des afrique » en afrique, de l'afrique
costs de » costs _, costs 4, costs a
a price » a primer

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

• Adding a wildcard symbol may retrieve word variants: technology 6 inflation a price 2.2.5.4 communication costs de developpement des afrique.*.