Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"lua hoi dat slippers" » "luat hoi dat slippers", "cua hoi dat slippers", "lua doi dat slippers", "lua hoi dap slippers", "lua hoi dan slippers", "lua hoc dat slippers", "lua hoi dat slippery", "lua hoi dat grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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: (((("dung java java snippets") OR ("lua hoi dat slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( lua hoi dat slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("lua hoi dat slippers"))) or ("locating bug code snippets"))*.