Perhaps you should try some spelling variations:
"dan cay cong snippets" » "dan cay code snippets", "dan cac cong snippets", "dan cao cong snippets", "dan cau cong snippets", "dan ca cong snippets", "dan tay cong snippets", "dau cay 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 ("dan cay 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 ("dan cay cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dan cay cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dan cay cong snippets"))) or ("locating bug core snippets"))*.