Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"using va nhan slippers" » "using a nhan slippers", "using java nhan slippers", "using raw nhan slippers", "using van nhan slippers", "using ca nhan slippers", "using va phan slippers", "using va nhan slippery", "using va nhan 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using va nhan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using va nhan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using va nhan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using va nhan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.