Perhaps you should try some spelling variations:
oral communication » personal communication
die d'information » de l'information, die information, note d'information
d'information sur » d'informations sur, d'information pour, d'information au
technologie die » technologie de, technologie im, technologie der
developing west » developing tests, developing waste, developing east
how oral » how moral, how rural, how arab
sur how » suber how, four how, your how

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

• Adding a wildcard symbol may retrieve word variants: technologie die d'information sur how oral communication costs _ developing west africa.*.