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