Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
technology road » technology role, technology roadmap, technology robot
inflation water » inflation rate, inflation rates, inflation enter
4 communication » 3 communication, 5.4 communication, de communication
road inflation » read inflation, food inflation, road information
water price » water prices, water rich, water service
des afrique » en afrique, de l'afrique
costs au » costs a, costs amy, costs _
price 4 » price _, price 3, price a

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

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