Perhaps you should try some spelling variations:
"dung dan code snippets" » "dung dat code snippets", "dung san code snippets", "tung dan code snippets", "dung dan de snippets", "dung dan code slippers"
"dung cac lap snippets" » "luong cac lap snippets", "dung cho lap snippets", "dung tai lap snippets", "dung cac lop snippets", "dung cac cap snippets", "dung cac tap snippets", "dung cac lap slippers"
"locating bug code snippets" » "locating bug code slippers", "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 dan code snippets") or ("dung cac lap snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dan code snippets") OR ("dung cac lap snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dan code snippets ) or ( dung cac lap snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dan code snippets") or ("dung cac lap snippets"))) or ("locating bug code snippets"))*.