Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan van chi snippets" » "phan van code snippets", "pham van chi snippets", "thanh van chi snippets", "luan van chi snippets", "phan van chien snippets", "phan luan chi snippets", "phan van chat 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 ("phan van chi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("phan van chi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( phan van chi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("phan van chi snippets"))) or ("locating bug core snippets"))*.