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