Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cung ung du snippets" » "dung ung du snippets", "huong ung du snippets", "ung dung du snippets", "cung dung du snippets", "cung ung xu snippets", "cung ung su 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 du 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 du snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung ung du snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung ung du snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.