Perhaps you should try some spelling variations:
"toc dan dat snippets" » "toc dung dat snippets", "toc dong dat snippets", "toc dinh dat snippets", "hoc dan dat snippets", "toc dao dat snippets", "toc san dat snippets", "toc dan dat 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", "locating bug core 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: (((("python using a snippets") or ("toc dan dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("toc dan dat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( toc dan dat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("toc dan dat snippets"))) or ("locating bug code snippets"))*.