Perhaps you should try some spelling variations:
transfers system » transfer system, transfer systems, transport system
de leaders » e leaders, few leaders, 3 leaders
code des » code de
guias de » guia de, guide de, aguas de
de des » ende des, rede des, de deces
guia » gua, gui, gaia
guias » guas, guis, gaias

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( guia ((de des) OR (code des)) transfers system a ) or ( guias de leaders transform _ acao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( guia ((de des) OR (code des)) transfers system a ) OR ( guias de leaders transform _ acao ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( guia ((de des) OR (code des)) transfers system a ) or ( guias de leaders transform _ acao ))*".