Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
inflation water » inflation rate, inflation rates, inflation enter
water practices » water prices, labor practices, data practices
practices 3.2 » practices 5.2, practices 3.1, practices 3.4
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
des afrique » en afrique, de l'afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation water practices 3.2 communication costs _ developpement des afrique.*.