Perhaps you should try some spelling variations:
"python using real slippers" » "python using metal slippers", "python using raw slippers", "python using real slippery", "python using real grippers"
"luc hoc dan snippets" » "duoc hoc dan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("luc hoc dan snippets") or ("python using real slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc hoc dan snippets") OR ("python using real slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc hoc dan snippets ) or ( python using real slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc hoc dan snippets") or ("python using real slippers"))) or ("locating bug code snippets"))*.