Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam van tra slippers" » "nam dan tra slippers", "nam va tra slippers", "pham van tra slippers", "nam van tri slippers", "nam van tru slippers", "nam van tra slippery", "nam van tra grippers"
"locating bug code snippets" » "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 tra slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam van tra slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( nam van tra slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))*.