Perhaps you should try some spelling variations:
transformation role » transformation rule, transformational role, transformation rules
ist transformation » first transformation, cost transformation, just transformation
oral communication » personal communication
technologien ist » technologien im, technologien mit, technologies exist
developing areas » developing asia, developing east, developing a
4 developing » 3 developing
areas power » area power, dreams power, areas poverty
role knew » roles new
knew oral » knew moral, new oral, new moral
costs 4 » costs _, costs a, costs 4.2

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologien ist transformation role knew oral communication costs 4 developing areas power.~.
• Adding a wildcard symbol may retrieve word variants: technologien ist transformation role knew oral communication costs 4 developing areas power.*.