Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung doi chon snippets" » "huong doi chon snippets", "dung tai chon snippets", "dung co chon snippets", "dung voi chon snippets", "dung doi chinh snippets", "dung doi phong 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 doi chon 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 doi chon snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung doi chon snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung doi chon snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.