Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
au developpement » du developpement, de developpement, le developpement
technology age » technology usage, technology wages, technology a
age inflation » wage inflation, wages inflation, area inflation
des afrique » en afrique, de l'afrique
rate level » water level, state level, wage level
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 age inflation rate level data communications costs au developpement des afrique.*.