Perhaps you should try some spelling variations:
developpement en » developpement et, developpement des, developpement de
technology rate » technology state, technology role, technology related
inflation water » inflation rate, inflation rates, inflation enter
a communication » la communication, data communication, data communications
4 developpement » de developpement, le developpement, et developpement
rate inflation » grade inflation, wage inflation, age inflation
water price » water prices, water rich, water service
price a » price _, price 3, price cap
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology rate inflation water price a communication costs 4 developpement en afrique.*.