Perhaps you should try some spelling variations:
land transport » road transport
sea transport » road transport, bus transport
making model » making models, making module, mapping model
transport b » transport a, transport 4, transport 1
model land » model law, model laws, model lapm
guide a » guide _
b cacao » du cacao
a sea » _ sea, a set

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: (( guide a sea transport _ ceo ) OR ( making model land transport b cacao ))~.
• Adding a wildcard symbol may retrieve word variants: (( guide a sea transport _ ceo ) or ( making model land transport b cacao ))*.