Perhaps you should try some spelling variations:
"nhan quoc dat snippets" » "han quoc dat snippets", "phan quoc dat snippets", "nhan cuoc dat snippets", "nhan duoc dat snippets", "nhan quoc dan snippets", "nhan quoc danh snippets", "nhan quoc dat slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("nhan quoc dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan quoc dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan quoc dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan quoc dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.