Perhaps you should try some spelling variations:
human transport » urban transport, rural transport, ocean transport
transport fuel » transport fares
cas transfer » cash transfer, cast transfer, gas transfer
vagues one » vagues de
one human » zone humans, one man, e human
guide a » guide _
fuel a » fuel _, fuel tax, fuel gas
a cas » a case, a cash, a casa
a dot » _ dot
a do » _ do, a d, a co

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: (( vagues one human transport fuel a ) OR ( guide a cas transfer ((a do) OR (a dot)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( vagues one human transport fuel a ) or ( guide a cas transfer ((a do) OR (a dot)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( vagues one human transport fuel a ) or ( guide a cas transfer ((a do) OR (a dot)) ))*.