Perhaps you should try some spelling variations:
developpement en » developpement et, developpement des, developpement de
au developpement » du developpement, de developpement, le developpement
a communication » la communication, data communication, data communications
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
inflation tax » inflation rate, inflation _, inflation target
tax prices » gas prices, car prices, tax practices
prices a » prices _
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 gap inflation tax prices a communication costs au developpement en afrique.*.