Perhaps you should try some spelling variations:
reasons delivered » persons delivered, sermons delivered, orations delivered
curved elements » formed elements, lumped elements, bounded elements
poorer curved » over curved, ports curved
ft reasons » 2 reasons, 10 reasons, 5 reasons
get poorer » get power, get proper, meant poorer

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 ( get poorer curved elements )).
• Adding a wildcard symbol may retrieve word variants: (( ft reasons delivered placenta ) or ( get poorer curved elements ))*.