Perhaps you should try some spelling variations:
idea transport » ideas transport, sea transport, de transport
transport cost » transport costs
vague de » vagues de, langue de, vue de
cost cao » cost a, cost cs, cost dam
age data » wage data, cge data, image data
de idea » new idea, key idea, one idea
e data » e datas, cge data, mwe data

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( vague de idea transport cost cao ) or ( guia ((e data) OR (age data)) transfer _ schah ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( vague de idea transport cost cao ) OR ( guia ((e data) OR (age data)) transfer _ schah )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( vague de idea transport cost cao ) or ( guia ((e data) OR (age data)) transfer _ schah ))".
• Adding a wildcard symbol may retrieve word variants: (( vague de idea transport cost cao ) or ( guia ((e data) OR (age data)) transfer _ schah ))*.