Perhaps you should try some spelling variations:
transport signal » transform signal, transport design, transport annual
based transfers » basin transfers, cash transfers, land transfers
transfers b » transfers _, transfers 3, transfers 2
own ideas » old ideas
signal _ » signals _
guias 3 » guias de
3 based » 3 base, 3 basel, d based
b case » tb case, 2 case, 1 case
aguas » agus, agua

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: (( aguas ((own ideas) OR (two ideas)) transport signal _ ) OR ( guias 3 based transfers b case ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( aguas ((own ideas) OR (two ideas)) transport signal _ ) or ( guias 3 based transfers b case ))~".
• Adding a wildcard symbol may retrieve word variants: (( aguas ((own ideas) OR (two ideas)) transport signal _ ) or ( guias 3 based transfers b case ))*.