Perhaps you should try some spelling variations:
rail developments » rail development, rapid developments, rate developments
developments from » development from, developments after, developments _
technologies 1 » technologies _, technologies 4, technologies 2
efforts rail » efforts fail, efforts real, efforts acd
das mass » does mass, das main, das max
from das » from dar, from day, from da

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 1 information _ das mass communication efforts rail developments from das.~.
• Adding a wildcard symbol may retrieve word variants: technologies 1 information _ das mass communication efforts rail developments from das.*.