Perhaps you should try some spelling variations:
"work basics technical paper" » "work basic technical paper", "work basics techniques paper", "work basic technique paper", "word basics technical paper", "work basis technical paper"
"work blacks technical paper" » "work blocks technical paper", "work places technical paper", "work stacks technical paper", "work black technical paper", "work back technical paper", "work block technical paper"
"world banks technical papers" » "world tasks technical papers", "world blocks technical papers", "world apis technical papers", "world bank's technical papers", "world bank technical papers", "world back technical papers"
"work banks technical paper" » "work tasks technical paper", "work blocks technical paper", "work apis technical paper", "work bank technical paper", "work back technical paper", "weak banks technical paper"

Try widening your search to All Fields.

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 banks technical papers") OR ((((("work banks technical paper") OR ("work basics technical paper"))) OR ("work blacks technical paper")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"world banks technical papers\") or (((((\"work banks technical paper\") OR (\"work basics technical paper\"))) or (\"work blacks technical paper\"))))".
• Removing quotes may allow a broader search: (( world banks technical papers ) or ((((( work banks technical paper ) OR ( work basics technical paper ))) or ( work blacks technical paper )))).
• Adding a wildcard symbol may retrieve word variants: (("world banks technical papers") or ((((("work banks technical paper") OR ("work basics technical paper"))) or ("work blacks technical paper"))))*.