Perhaps you should try some spelling variations:
oral communication » personal communication
technologien und » technologie und, technologien des, technologien fur
developing after » developing water, developing eastern, development after
und information » fund information, road information, award information
information can » information case, information 1, information 1.2
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
after access » water access, after accession, better access
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
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 und information can we oral communication costs 2.2 developing after access.*.