Perhaps you should try some spelling variations:
modern economists » modern economics, modern economies, modern economic
chief economists » chief economist, how economists, can economists
women economists » women economic, women chemists, how economists
beck modern » beck oder, rock modern, became modern
world beck » world back, world black, world best

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: (( world bank ((chief economists) OR (women economists)) ) OR ( world beck modern economists )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( world bank ((chief economists) OR (women economists)) ) or ( world beck modern economists ))".
• Adding a wildcard symbol may retrieve word variants: (( world bank ((chief economists) OR (women economists)) ) or ( world beck modern economists ))*.