Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"ban than cap snippets" » "ban thanh cap snippets", "van thanh cap snippets", "ban hang cap snippets", "ban khan cap snippets", "ban thanh lap snippets", "ban thanh cac 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: (((("ban than cap snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban than cap snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban than cap snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban than cap snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.