Perhaps you should try some spelling variations:
developpement en » developpement et, developpement des, developpement de
technology grade » technology trade, technology guides, technology gender
grade inflation » price inflation, trade information
a communication » la communication, data communication, data communications
a developpement » au developpement, de developpement, le developpement
inflation tax » inflation rate, inflation _, inflation target
tax prices » gas prices, car prices, tax practices
prices a » prices _
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology grade inflation tax prices a communication costs a developpement en afrique.*.