Perhaps you should try some spelling variations:
informal transform » informal transfers, informal transport, informal transfer
urban transport » road transport
transport data » transport demand
most informal » among informal, vs informal, work informal
transform 2.4 » transform _, transform our, transform a
data macao » data macro
his most » his host, his coat, his last
2.4 acao » 2.1 macao, 2.4 act
1 urban » 2 urban, 4 urban, 3 urban
luis 1 » luis f, luis c, luis a

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: (( his most informal transform 2.4 acao ) OR ( luis 1 urban transport data macao ))~.
• Adding a wildcard symbol may retrieve word variants: (( his most informal transform 2.4 acao ) or ( luis 1 urban transport data macao ))*.