Perhaps you should try some spelling variations:
oral communication » personal communication
technologien dis » technologien des, technologien als, technologien im
developing after » developing water, developing eastern, development after
dis information » mis information, aids information, des informations
information can » information case, information 1, information 1.2
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
after accessed » after accession
costs 2.3 » costs 4.2, costs 4.4
we oral » new oral, who oral, why oral

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information can we oral communication costs 2.3 developing after accessed.*.