Perhaps you should try some spelling variations:
"dung nhan data snippets" » "dung luan data snippets", "dung nhan dat snippets", "dung nhan dan snippets", "dung nhan vat snippets", "dung nhan data slippers"
"dung va code snippets" » "dung va code slippers", "dung va core snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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

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