Perhaps you should try some spelling variations:
technologien secondary » technologien bedarf, technologies necessary
secondary information » security information
information center » information centers, information centre, information content
c's communication » lea's communication, class communication, mass communication
developing a » developing _
center why » century why, center what, gender why
a africa » 1 africa, can africa, em africa
why c's » why case, why cdss

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

• Adding a wildcard symbol may retrieve word variants: technologien secondary information center why c's communication costs _ developing a africa.*.