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