Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung cuu voi snippets" » "dung cua voi snippets", "dung cu voi snippets", "dung cau voi snippets", "dung cuu hoi snippets", "dung cuu noi snippets", "dung cuu vai 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: (((("dung cuu voi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cuu voi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cuu voi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cuu voi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.