Perhaps you should try some spelling variations:
transport fare » transport fares, transport share, transport fuel
based transfer » based transfers, basin transfer, basin transfers
langages de » languages do, langage le, langues de
areas air » areas aida, areas a, areas act
de based » dge based, de base, de bases
air bus » air base
fare a » care a, fare _, fire a

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( areas air bus transport fare a ) or ( langages de based transfer _ a ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( areas air bus transport fare a ) OR ( langages de based transfer _ a ))*.