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