Perhaps you should try some spelling variations:
"cac toc toan snippets" » "cac toc code snippets", "cac ngoc toan snippets", "cac quoc toan snippets", "cac tich toan snippets", "cac toi toan snippets", "cac nuoc toan snippets", "cac thoi toan 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 ("cac toc toan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cac toc toan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cac toc toan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cac toc toan snippets"))) or ("locating bug core snippets"))*.