Perhaps you should try some spelling variations:
"dan tuc code snippets" » "dan tuc co snippets", "dan tuc de snippets", "dan thuc code snippets", "dan toc code snippets", "dao tuc code snippets", "dan tuc 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: (((("dan tuc 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: (((("dan tuc code snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan tuc code snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan tuc code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.