Perhaps you should try some spelling variations:
based communications » based communication, speed communications, aided communications
communications costs » communication costs, communications _
study confirmation » side confirmation, de confirmation, equal confirmation
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
confirmation 9 » confirmation _, confirmation 3, confirmation et
homes based » home based, codes based, games based
l afrique » en afrique
9 homes » _ homes, 1 homes, 4 homes
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology study confirmation 9 homes based communications costs 4 developpement l afrique.*.