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"
"tu nhan xuat snippets" » "tu phan xuat snippets", "tu san xuat snippets", "tu nhan vat snippets", "tue nhan xuat snippets", "cu nhan xuat snippets", "tu ngan xuat snippets", "tu nhan xuat 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: (((("tu nhan xuat snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu nhan xuat snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu nhan xuat snippets ) or ( python using data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu nhan xuat snippets") or ("python using data snippets"))) or ("locating bug code snippets"))*.