Perhaps you should try some spelling variations:
le developpement » de developpement, sme development
3 communication » 4 communication, de communication, data communication
inflation coal » inflation can, inflation co, inflation tax
technology 12 » technology 1.2, technology 1, technology 2
12 inflation » 10 inflation, 2 inflation, 3.2 inflation
des afrique » en afrique, de l'afrique
coal price » coal prices, oil price
costs le » costs _, costs 4, costs a
price 3 » price _, price a, price 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology 12 inflation coal price 3 communication costs le developpement des afrique.*.