Perhaps you should try some spelling variations:
der transformer » dc transformer, se transformer, der transferamter
transformer le » transformer les, transformes les, transformer 1
den transfer » gene transfer, heat transfer, data transfer
hande der » handel der, rande der, hande des
le across » life across, like across, use across
luis a » luis f, luis c
a den » _ den, a der, a des

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis hande der transformer le across ) or ( luis a den transfer _ cao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis hande der transformer le across ) OR ( luis a den transfer _ cao )).
• Adding a wildcard symbol may retrieve word variants: (( luis hande der transformer le across ) or ( luis a den transfer _ cao ))*.