Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pham co dan snippets" » "phan co dan snippets", "phai co dan snippets", "pham ca dan snippets", "pham co ban snippets", "pham cao dang snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham co dan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( pham co dan snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("pham co dan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.