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