Perhaps you should try some spelling variations:
technology computer » technology computers, ethnology computer, technology chapter
de communication » mobile communication, online communication
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
computer use » computer based, computer file, computer _
rate champs » rate caps, rate chaos, rate changes
de afrique » de l'afrique, en afrique, l afrique
champs de » camps de, champ de
use rate » pulse rate, use create, dose rate
costs au » costs a, costs amy, costs _

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

• Adding a wildcard symbol may retrieve word variants: technology computer use rate champs de communication costs au developpement de afrique.*.