Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
technology grade » technology trade, technology guides, technology gender
developpement de » developpement des, developpement durable
grade inflation » price inflation, trade information
3 communication » 4 communication, de communication, data communication
inflation do » inflation co, inflation der, inflation das
de afrique » de l'afrique, en afrique, l afrique
prices 3 » prices _, prices a, prices 4
costs au » costs a, costs amy, costs _

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

• Adding a wildcard symbol may retrieve word variants: technology grade inflation do prices 3 communication costs au developpement de afrique.*.