Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"nong thon chi snippets" » "nong ho chi snippets", "nong hop chi snippets", "nong toan chi snippets", "cong thon chi snippets", "dong thon chi snippets", "nang thon chi 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: (((("nong thon chi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nong thon chi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nong thon chi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nong thon chi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.