Perhaps you should try some spelling variations:
"san chi toan snippets" » "san chi code snippets", "san khi toan snippets", "san chi thanh snippets", "san bai toan snippets", "van chi toan snippets", "luan chi toan snippets", "toan chi 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 ("san chi 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 ("san chi toan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( san chi toan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("san chi toan snippets"))) or ("locating bug core snippets"))*.