Perhaps you should try some spelling variations:
"dung veeao code snippets" » "dung vao code snippets", "dung vaeao code snippets", "dung heeao code snippets", "dung deeao code snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung ve code snippets" » "dung va code snippets", "dung he code snippets", "dung de code snippets"

You may be able to get more results by adjusting your search query.

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