Perhaps you should try some spelling variations:
transformers 6.4.6 » transformer 6.4.3, transformers 4.2, transformers 4.3
idea transformers » power transformers, 3 transformers, _ transformers
nodes transport » incomes transport, modern transport, goods transport
transport et » transport en, transport _, transport a
les nodes » les modes, les notes, les normes
guias key » guias de
6.4.6 can » 24.6 can
luis les » luis e, luis de, puis le
key idea » key ideas, very idea, key item

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis les nodes transport et acao ) or ( guias key idea transformers 6.4.6 can ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis les nodes transport et acao ) OR ( guias key idea transformers 6.4.6 can )).
• Adding a wildcard symbol may retrieve word variants: (( luis les nodes transport et acao ) or ( guias key idea transformers 6.4.6 can ))*.