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