Perhaps you should try some spelling variations:
"world agrilus technical paper" » "world various technical paper", "world mauritius technical paper", "world articles technical paper", "world april technical paper", "borer agrilus technical paper", "world agile technical paper"
"world apps technical paper" » "world app technical paper", "world apis technical paper", "world its technical paper"
"world api technical paper" » "world mali technical paper", "world ii technical paper", "world iii technical paper", "world ai technical paper", "world app technical paper", "world april technical paper"
"world api technical papers" » "world mali technical papers", "world ii technical papers", "world iii technical papers", "world ai technical papers", "world app technical papers", "world april 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 agrilus technical paper") OR ("world apps technical paper"))) OR ((("world api technical paper") OR ("world api technical papers")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"world agrilus technical paper\") or (\"world apps technical paper\"))) or (((\"world api technical paper\") OR (\"world api technical papers\"))))".
• Removing quotes may allow a broader search: (((( world agrilus technical paper ) or ( world apps technical paper ))) or ((( world api technical paper ) OR ( world api technical papers )))).
• Adding a wildcard symbol may retrieve word variants: (((("world agrilus technical paper") or ("world apps technical paper"))) or ((("world api technical paper") OR ("world api technical papers"))))*.