Perhaps you should try some spelling variations:
4.3 communication » 2.3 communication, 4.1 communication, 4 communication
technology price » technology rich, technology voice, technology service
price variation » price variations
variation water » variation rate, variation chapter, irrigation water
sme development » trade development
development la » development law, development li, development land
water uses » water users, water use, water user
la afrique » l afrique, la fabrique, en afrique
costs sme » costs some, costs amy
uses 4.3 » users 4.3, uses 2.3, uses 6.3

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

• Adding a wildcard symbol may retrieve word variants: technology price variation water uses 4.3 communication costs sme development la afrique.*.