Perhaps you should try some spelling variations:
"using vat dung snippets" » "using sat dung snippets", "using data dung snippets", "sinh vat dung snippets", "using van dung snippets", "using va dung snippets", "using viet dung snippets", "using vat dung slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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 vat dung snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using vat dung snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using vat dung snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using vat dung snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.