Perhaps you should try some spelling variations:
formal transport » informal transport, rural transport, modal transport
local transport » road transport, rural transport
langues de » langue de, langages de, langue du
costs ch » costs cash, costs chap, costs _
de local » de locale, le local, use local
et cas » en cas
cam » cham, came, camp

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: (( aguas _ formal transport costs ch ) OR ( langues de local transport ((et cas) OR (et cam)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( aguas _ formal transport costs ch ) or ( langues de local transport ((et cas) OR (et cam)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( aguas _ formal transport costs ch ) or ( langues de local transport ((et cas) OR (et cam)) ))*.