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