Perhaps you should try some spelling variations:
"world basics technical paper" » "world basic technical paper", "world basics techniques paper", "world devices technical paper", "word basics technical paper", "world brics technical paper"
"world banks technical papers" » "world tasks technical papers", "world apis technical papers", "world aws technical papers", "world bank's technical papers", "world bank technical papers", "work banks technical papers"
"world apps technical papers" » "world app technical papers", "world apis technical papers", "world access technical papers"

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