Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung hai chu snippets" » "dung tai chu snippets", "dung ha chu snippets", "dung sai chu snippets", "dung hai chau snippets", "dung hoi chu snippets", "dung hai chi 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 hai chu 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 hai chu snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung hai chu snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hai chu snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.