Perhaps you should try some spelling variations:
transport signal » transform signal, transport design, transport annual
transfers b » transfers _, transfers 3, transfers 2
signal _ » signals _
own bus » own boss, own best, own buzz
3 based » 3 basel, d based, 19 based
3 base » 3 basel, _ base, a base
b case » tb case, 2 case, 1 case
agus » angus, aus, ages

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