Perhaps you should try some spelling variations:
transfer schemes » transfer scheme, transfer systems
have transformed » has transformed, a transformed, law transformed
gases transfer » mass transfer, based transfer, gas transfer
transformed de » transformed _, transformed 1, transformed a
schemes vss » schemes das, schemes use, schemes versus
langues de » langue de, langages de, langue du
langues do » languages do, langue de, langue du
de gases » de bases, _ gases, f gases
do have » who have, how have

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: (( langues de gases transfer schemes vss ) OR ( langues do have transformed de (acao OR cao) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( langues de gases transfer schemes vss ) or ( langues do have transformed de (acao OR cao) ))~".
• Adding a wildcard symbol may retrieve word variants: (( langues de gases transfer schemes vss ) or ( langues do have transformed de (acao OR cao) ))*.