Perhaps you should try some spelling variations:
"luat thi code snippets" » "luat thai code snippets", "luan thi code snippets", "luat thu code snippets", "luat thi cong snippets", "luat thi hoe snippets", "luat thi code slippers"
"python using a snippets" » "python using a 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: (((("luat thi code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat thi code snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat thi code snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat thi code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.