Perhaps you should try some spelling variations:
2007 development » 2015 development, 20 development, 2 development
connection sites » collection sites, connection rates, connection step
technology cost » technology case, technology can, technology choice
cost connection » close connection, house connection, gas connection
mix mobile » mail mobile, die mobile, i mobile
costs 2007 » costs 20
sites mix » sites fig, sales mix, sites iii
1 afrique » l afrique, en afrique, 1 enrique

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

• Adding a wildcard symbol may retrieve word variants: technology cost connection sites mix mobile communication costs 2007 development 1 afrique.*.