Perhaps you should try some spelling variations:
transfer schemes » transfer scheme, transfer systems
have transformed » has transformed, a transformed, law transformed
gaos transfer » gas transfer, mass transfer, bayes transfer
langages de » languages do, langage le, langues de
schemes vss » schemes das, schemes use, schemes versus
langues do » langues de, languages do, langue de
de gaos » de 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: (( langages de gaos transfer schemes vss ) OR ( langues do have transformed _ acao ))~.
• Adding a wildcard symbol may retrieve word variants: (( langages de gaos transfer schemes vss ) or ( langues do have transformed _ acao ))*.