Perhaps you should try some spelling variations:
"dung cac chiu snippets" » "dung cac code snippets", "luong cac chiu snippets", "dung cho chiu snippets", "dung tai chiu snippets", "dung cac chieu snippets", "dung cac chu snippets", "dung cau chiu 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 cac 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 cac chiu snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung cac chiu snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac chiu snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.