Perhaps you should try some spelling variations:
transport fuel » transport fares
cast transfer » cash transfer, cost transfer, cash transfers
transfer 3 » transfer _, transfer 4, transfer a
one human » zone humans, one man, e human
de human » e human, use human, 2 human
fuel gas » fuel tax
guide a » guide _
a cast » a case, _ cast, a cash
3 do » _ do, 3 d, 1 do

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( vague ((de human) OR (one human)) transport fuel gas ) OR ( guide a cast transfer 3 do ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( vague ((de human) OR (one human)) transport fuel gas ) or ( guide a cast transfer 3 do ))~".
• Adding a wildcard symbol may retrieve word variants: (( vague ((de human) OR (one human)) transport fuel gas ) or ( guide a cast transfer 3 do ))*.