Perhaps you should try some spelling variations:
reasons delivered » persons delivered, sermons delivered, orations delivered
curved elements » formed elements, lumped elements, bounded elements
great press » great empress, great process, great presents
ft reasons » its reasons, _ reasons, 2 reasons
great pre » great price, great prime, great prize

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