Perhaps you should try some spelling variations:
ray transformer » a transformer, tape transformer, _ transformer
training role » training rules, training room, training robot
transformer 1 » transformer _, transformed _
e leadership » le leadership, 3 leadership, 2 leadership
guias e » guias de
guia do » guia de, guias de
role 3 » role _

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( guias e leadership training role 3 ) or ( guia do ray transformer 1 a ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( guias e leadership training role 3 ) OR ( guia do ray transformer 1 a ))*.