Perhaps you should try some spelling variations:
"dung vat da snippets" » "dung va da snippets", "dong vat da snippets", "dung dat da snippets", "dung vat va snippets", "dung vat de snippets"
"dung dataon code snippets" » "dung dataon core snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs 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 dataon code snippets") or ("dung vat da snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dataon code snippets") OR ("dung vat da snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dataon code snippets ) or ( dung vat da snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dataon code snippets") or ("dung vat da snippets"))) or ("locating bug code snippets"))*.