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