Perhaps you should try some spelling variations:
derived elements » defined elements, retrieved elements, derived pigments
press delivered » reps delivered, address delivered, prisons delivered
curved elements » formed elements, lumped elements, bounded elements
get press » get process, great press, cert press
ft press » mit press, hot press, rat press

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: (( ft press delivered placenta ) OR ( get press ((derived elements) OR (curved elements)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ft press delivered placenta ) or ( get press ((derived elements) OR (curved elements)) ))".
• Adding a wildcard symbol may retrieve word variants: (( ft press delivered placenta ) or ( get press ((derived elements) OR (curved elements)) ))*.