Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology 5.4.1 » technology 4.1, technology 5.1, technology 1.4.4
5.4.1 inflation » 5.4.3 inflation, 2.3.1 inflation, 5.4.1 information
4 developpement » de developpement, le developpement, et developpement
inflation auf » inflation a, inflation rate, inflation _
des afrique » en afrique, de l'afrique
auf range » auf lange, half range, a range
range 2.7 » range 2.1, range 2.4, range 3.7
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 5.4.1 inflation auf range 2.7 communication costs 4 developpement des afrique.*.