Perhaps you should try some spelling variations:
"dao cho toan snippets" » "dao cho code snippets", "dao chi toan snippets", "dao cho toa snippets", "dao cho doanh snippets", "cao cho toan snippets", "dac cho toan snippets", "dao ho 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 ("dao cho 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 ("dao cho toan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dao cho toan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dao cho toan snippets"))) or ("locating bug core snippets"))*.