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"
"toan do dan snippets" » "toan ho dan snippets", "toan co dan snippets", "toan du dan snippets", "toan do danh snippets", "toan dao dan snippets", "toan do dang snippets", "toan do dan 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: (((("toan do dan snippets") OR ("python using data snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( toan do dan snippets ) or ( python using data snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("toan do dan snippets") or ("python using data snippets"))) or ("locating bug code snippets"))*.