Perhaps you should try some spelling variations:
"python using real snippets" » "python using metal snippets", "python using raw snippets", "python using real slippers"
"cuu dan code snippets" » "cuu dan de snippets", "cuu danh code snippets", "cuu van code snippets", "cua dan code snippets", "cuu dan code slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("cuu dan code snippets") or ("python using real snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuu dan code snippets") OR ("python using real snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu dan code snippets ) or ( python using real snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu dan code snippets") or ("python using real snippets"))) or ("locating bug code snippets"))*.