Perhaps you should try some spelling variations:
"khanh linh dat snippets" » "khanh vinh dat snippets", "thanh binh dat snippets", "khang sinh dat snippets", "khanh dinh dat snippets", "khanh linh dan snippets", "khanh linh hoat snippets", "khanh linh 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: (((("dung java java snippets") or ("khanh linh dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("khanh linh dat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( khanh linh dat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("khanh linh dat snippets"))) or ("locating bug code snippets"))*.