Perhaps you should try some spelling variations:
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"
"lua hon dat snippets" » "lua chon dat snippets", "luat hon dat snippets", "cua hon dat snippets", "lua hoc dat snippets", "lua hoi dat snippets"
"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 slippers") OR ("lua hon dat snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java slippers ) or ( lua hon dat snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java slippers") or ("lua hon dat snippets"))) or ("locating bug code snippets"))*.