Perhaps you should try some spelling variations:
world transformed » world transforming
transformed rural » transforming rural, transformed our, informed rural
transport cost » transport costs
rural across » rural access, rural actors, rural areas
undp world » und world, up world, 2nd world
language a » language _
idea undp » ideal und
cost cod » cost low, cost 3d, cost cs
a air » _ air, 2 air, 7 air

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: (( idea undp world transformed rural across ) OR ( language a air transport cost cod ))~.
• Adding a wildcard symbol may retrieve word variants: (( idea undp world transformed rural across ) or ( language a air transport cost cod ))*.