Perhaps you should try some spelling variations:
"python using real snippets" » "python using metal snippets", "python using raw snippets", "python using real slippers"
"dan lap code snippets" » "dan lap cong snippets", "dan lbm code snippets", "phan lap code snippets", "dan luan code snippets", "dan lap 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: (((("dan lap 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: (((("dan lap code snippets") OR ("python using real snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan lap code snippets ) or ( python using real snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan lap code snippets") or ("python using real snippets"))) or ("locating bug code snippets"))*.