Perhaps you should try some spelling variations:
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"toc noi nhat snippets" » "toc moi nhat snippets", "toc voi nhat snippets", "toc nguoi nhat snippets", "hoc noi nhat snippets", "toeic noi nhat snippets", "toc noi nhat slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using data snippets") or ("toc noi nhat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("toc noi nhat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( toc noi nhat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("toc noi nhat snippets"))) or ("locating bug code snippets"))*.