Perhaps you should try some spelling variations:
transform primer » transform order, transform power, transform fourier
human transport » urban transport, rural transport, ocean transport
transport model » transport modes, transport mode, transport market
model can » model case, model canvas
ear care » day care
primer a » primer _, primers _, printer a
c human » 2 human, 3 human, 1 human
luis c » luis f
a care » a case, day care, a career

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis c human transport model can ) or ( luis ((a care) OR (ear care)) transform primer a ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis c human transport model can ) OR ( luis ((a care) OR (ear care)) transform primer a ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis c human transport model can ) or ( luis ((a care) OR (ear care)) transform primer a ))*".