Perhaps you should try some spelling variations:
band working » bandes working, board working, based working
bond working » bonds working, bold working, bone working
world band » world brand, world bank, world hand
world bond » world beyond, world board, world blind
paper » papers

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( world band working paper ) OR ( world bond working paper ))".
• Adding a wildcard symbol may retrieve word variants: (( world band working paper ) OR ( world bond working paper ))*.