Perhaps you should try some spelling variations:
"nhin trong che snippets" » "nhan trong che snippets", "chinh trong che snippets", "nhiem trong che snippets", "nhin trong cho snippets", "nhin trong chien snippets", "nhin trong cham snippets"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "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: (((("nhin trong che snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhin trong che snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhin trong che snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhin trong che snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.