Perhaps you should try some spelling variations:
clear developpement » leur developpement, clean development, le developpement
developpement en » developpement et, developpement des, developpement de
technology rate » technology state, technology role, technology related
3 communication » 4 communication, de communication, data communication
rate inflation » grade inflation, wage inflation, age inflation
inflation tax » inflation rate, inflation _, inflation target
tax policies » tax policy
policies 3 » policies _, policies a, policies 5

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

• Adding a wildcard symbol may retrieve word variants: technology rate inflation tax policies 3 communication costs clear developpement en afrique.*.