Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
de developpement » sme development
technology 21st » technology 2.1.1, technology 2.1.2, technology 2.1.3
21st inflation » 10 inflation, 12 inflation, 2 inflation
inflation 1 » inflation _, inflation a, inflation tax
des afrique » en afrique, de l'afrique
space 4.2 » space 3.2, space 2.2, space 4.3
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 21st inflation 1 space 4.2 communications costs de developpement des afrique.*.