Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nam tan toan snippets" » "nam tan code snippets", "nam tan tran snippets", "nam tap toan snippets", "nam van toan snippets", "nam dan toan snippets", "nam tai toan snippets"
"python using low snippets" » "python using code 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: (((("nam tan toan snippets") OR ("python using low snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( nam tan toan snippets ) or ( python using low snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("nam tan toan snippets") or ("python using low snippets"))) or ("locating bug core snippets"))*.