Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pham mo dan snippets" » "phap mo dan snippets", "pham ma dan snippets", "pham o dan snippets", "pham mo danh snippets", "pham moi dan snippets", "pham co dan 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 mo dan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( pham mo dan snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("pham mo dan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.