Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phan co dan snippets" » "phan bo dan snippets", "phan cong dan snippets", "phan cac dan snippets", "phan co ban snippets", "phan ca dan snippets", "phan cao dang snippets", "phan co dan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("phan co dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( phan co dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("phan co dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.