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"
"do tim hieu snippets" » "di tim hieu snippets", "co tim hieu snippets", "do tim hieu 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do tim hieu snippets") OR ("python using data snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( do tim hieu snippets ) or ( python using data snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("do tim hieu snippets") or ("python using data snippets"))) or ("locating bug code snippets"))*.