Perhaps you should try some spelling variations:
"dung coc chiu snippets" » "dung coc code snippets", "dung co chiu snippets", "dung cac chiu snippets", "dung hoc chiu snippets", "dung cac chieu snippets", "dung moc chau snippets", "dung hoc chu snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java 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 coc chiu snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung coc chiu snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung coc chiu snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung coc chiu snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.