Perhaps you should try some spelling variations:
data communication » data communications
level information » legal information, model information, general information
information rates » information states, information ratio, information rules
technology level » technology never, technology leader, technology led
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
have data » wave data, have taxa
l afrique » en afrique
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 level information rates have data communication costs 4 developpement l afrique.*.