Perhaps you should try some spelling variations:
technologien bedarf » technologien auf
bedarf information » secondary information
oral communication » personal communication
developing asia » development asia, developing a
4 developing » 3 developing
asia areas » basic areas, aside areas, basin areas
3.2 heat » 23.2 heat, 3.2 heart, 2.2 heat
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien bedarf information 3.2 heat oral communication costs 4 developing asia areas.*.