Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technology rich » technology risk, technology africa, technology rights
inflation rates » inflation rate
rich inflation » price inflation, high inflation, die inflation
rates trade » states trade, rules trade, wages trade
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 rich inflation rates trade _ communications costs au developpement en afrique.*.