Perhaps you should try some spelling variations:
"trinh bien dat snippets" » "trinh dien dat snippets", "trinh tieng dat snippets", "trinh tin dat snippets", "trinh bien dai snippets", "trinh bien dao snippets", "trinh bieu dat snippets", "trinh bien 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: (((("trinh bien 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: (((("trinh bien dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh bien dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh bien dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.