Perhaps you should try some spelling variations:
"toc tao chat snippets" » "toc tao code snippets", "toc cao chat snippets", "toc van chat snippets", "toc tao cao snippets", "toc tay chat snippets", "toc dao chat snippets", "toc ta chat snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

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 java snippets") or ("toc tao chat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("toc tao chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( toc tao chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("toc tao chat snippets"))) or ("locating bug core snippets"))*.