Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan than cao snippets" » "dan than code snippets", "dan chan cao snippets", "ban than cao snippets", "van than cao snippets", "dan toan cao snippets", "dan thai cao snippets", "dan than cap 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 than cao 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 than cao snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dan than cao snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dan than cao snippets"))) or ("locating bug core snippets"))*.