Perhaps you should try some spelling variations:
let developpement » le developpement, et developpement, leur developpement
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
developpement en » developpement et, developpement des, developpement de
inflation water » inflation rate, inflation rates, inflation enter
communication 3 » communication _, communication a
technology 2 » technology _, technology 1, technology 3
water prices » water services, water pricing, factor prices
2 inflation » 12 inflation, _ inflation, 6 inflation
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
3 let » 3 les, _ let, 3 fet

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

• Adding a wildcard symbol may retrieve word variants: technology 2 inflation water prices 3.1 communication 3 let developpement en afrique.*.