Perhaps you should try some spelling variations:
"world bandes working paper" » "world banners working paper", "world ranges working paper", "world panes working paper", "world bank's working paper", "world bandar working paper", "world banks working paper", "world bandes working papers"
"world brand working paper" » "world band working paper", "world branch working paper", "world board working paper", "word brand working paper", "world bank working paper", "world brand working papers"
"world aedes working paper" » "world des working paper", "world nodes working paper", "world codes working paper", "world ages working paper", "world annexes working paper", "world andrew working paper", "world aedes working papers"
"world modes working paper" » "world models working paper", "world model working paper", "world mode working paper", "world moves working paper", "world modes working papers"

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 brand working paper") OR ((("world bandes working paper") OR ((("world aedes working paper") OR ("world modes working paper"))))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"world brand working paper\") or (((\"world bandes working paper\") or (((\"world aedes working paper\") OR (\"world modes working paper\"))))))*".
• Removing quotes may allow a broader search: (( world brand working paper ) or ((( world bandes working paper ) or ((( world aedes working paper ) OR ( world modes working paper ))))))*.