Perhaps you should try some spelling variations:
du developpement » de developpement, le developpement, et developpement
3 communication » 4 communication, de communication, data communication
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
des afrique » en afrique, de l'afrique
prices 3 » prices _, prices a, prices 4
costs du » 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 gap inflation _ prices 3 communication costs du developpement des afrique.*.