Perhaps you should try some spelling variations:
"python using code snippets" » "python using cfd snippets", "python using one snippets"
"locating bug core snippets" » "locating bug code snippets"
"tri nhi dan snippets" » "tri nho dan snippets", "tri noi dan snippets", "tri chi dan snippets", "tri thi dan snippets", "tri nha dan snippets"

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 code snippets") or ("tri nhi dan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using code snippets") OR ("tri nhi dan snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( python using code snippets ) or ( tri nhi dan snippets ))) or ( locating bug core snippets ))*.