Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung hoc chia snippets" » "dong hoc chia snippets", "dung thuoc chia snippets", "trung hoc chia snippets", "dung hoc chi snippets", "dung hoc khia snippets", "dung hoc chinh 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 hoc chia 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 hoc chia snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung hoc chia snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hoc chia snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.