Perhaps you should try some spelling variations:
oral communication » personal communication
technologien und » technologie und, technologien des, technologien fur
developing water » developing after, developing rates, developing waste
und information » fund information, road information, award information
water accessed » water access, water stressed
information 2 » information 3
4 developing » 3 developing
when oral » when formal, when coal, when goal
costs 4 » costs _, costs a, costs 4.2
2 when » 3 when, 4 when, 1 when

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

• Adding a wildcard symbol may retrieve word variants: technologien und information 2 when oral communication costs 4 developing water accessed.*.