Perhaps you should try some spelling variations:
transport data » transport demand
gas transfer » cash transfer, mass transfer, a transfer
transfer 4 » transfer _, transfer 3, transfer a
un rural » 2 rural, 4 rural, 1 rural
10 rural » 2 rural, 4 rural
bias der » bias des, bias over, das der
der gas » der ga, der gap, der gaste
4 do » _ do, 1 do, i do

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( areas ((un rural) OR (10 rural)) transport data _ ) or ( bias der gas transfer 4 do ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( areas ((un rural) OR (10 rural)) transport data _ ) OR ( bias der gas transfer 4 do ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas ((un rural) OR (10 rural)) transport data _ ) or ( bias der gas transfer 4 do ))*".