Perhaps you should try some spelling variations:
"python using code snippets" » "python using cfd snippets", "python using one snippets"
"dan thuc can snippets" » "dan toc can snippets", "am thuc can snippets", "dan thuc chan snippets", "dan thuc dan snippets", "dan thuc van snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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