Perhaps you should try some spelling variations:
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets", "python using raw slippers"
"nam van tran snippets" » "nam van trang snippets", "nam van tranh snippets", "nam van tuan snippets", "nam dan tran snippets", "nam va tran snippets", "pham van tran snippets", "nam van tran 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nam van tran snippets") or ("python using raw snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam van tran snippets") OR ("python using raw snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( nam van tran snippets ) or ( python using raw snippets ))) or ( locating bug code snippets ))*.