Perhaps you should try some spelling variations:
"dang bi cong snippets" » "dang bi code snippets", "dang bai cong snippets", "dang bui cong snippets", "dang ba cong snippets", "dang bo cong snippets", "dang tai cong snippets", "dang thi cong snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("dang bi cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dang bi cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dang bi cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dang bi cong snippets"))) or ("locating bug core snippets"))*.