Perhaps you should try some spelling variations:
layered transform » lamperti transform, wavelet transform, leaders transform
waste transfer » waste transport, cash transfer, wire transfer
co layered » two layered, iot layered, _ layered
transfer 3 » transfer _, transfer 4, transfer a
areas co » areas coal, areas act, areas can
guias de » guia de, guide de, aguas de
de waste » e waste, new waste, _ waste
note a » note _, note 2
note 1 » note _

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: (( areas co layered transform ((note a) OR (note 1)) ) OR ( guias de waste transfer 3 a ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas co layered transform ((note a) OR (note 1)) ) or ( guias de waste transfer 3 a ))~".
• Adding a wildcard symbol may retrieve word variants: (( areas co layered transform ((note a) OR (note 1)) ) or ( guias de waste transfer 3 a ))*.