Perhaps you should try some spelling variations:
"toc cao cach snippets" » "toc cao code snippets", "toc cai cach snippets", "toc cac cach snippets", "toc ca cach snippets", "hoc cao cach snippets", "toc dao cach snippets", "toc co cach 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 cao cach 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 cao cach snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( toc cao cach snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("toc cao cach snippets"))) or ("locating bug core snippets"))*.