Perhaps you should try some spelling variations:
"python using code snippets" » "python using cfd snippets", "python using one snippets"
"tri noi dan snippets" » "tri doi dan snippets", "tri moi dan snippets", "tri ngoai dan snippets", "tri hoi dan snippets", "tri noi da snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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: (((("python using code snippets") OR ("tri noi dan snippets"))) OR ("locating bug code slippers"))~.
• Removing quotes may allow a broader search: (((( python using code snippets ) or ( tri noi dan snippets ))) or ( locating bug code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using code snippets") or ("tri noi dan snippets"))) or ("locating bug code slippers"))*.