Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"trinh duy dat snippets" » "trinh duc dat snippets", "trinh dung dat snippets", "trinh thuy dat snippets", "trinh duy vat snippets", "trinh quy dat snippets", "trinh duy dac snippets", "trinh duy dat slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"

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 duy dat snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh duy dat snippets") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh duy dat snippets ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh duy dat snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.