Perhaps you should try some spelling variations:
der informationsgewinn » den informationsgewinn, der informationsgehalt, der inftationsgewinne
informationsgewinn 2 » informationsgewinn 3.6.2, informationsgewinnung _, 3 informationsgewinnung
verbal communication » nonverbal communication, virtual communication, oral communication
technologies der » technologies de, technologie der, technologies under
developing 1 » developing _, developing a, developing e
c verbal » _ verbal, 3 verbal, a verbal
2 c » 2 co

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

• Adding a wildcard symbol may retrieve word variants: technologies der informationsgewinn 2 c verbal communication costs _ developing 1 africa.*.