Perhaps you should try some spelling variations:
"dao tu choi snippets" » "dao tu code snippets", "dao su choi snippets", "dao tu chi snippets", "dao tu chon snippets", "dao tuc choi snippets", "dao tru choi snippets", "do tu choi 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 tu choi 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 tu choi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dao tu choi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dao tu choi snippets"))) or ("locating bug core snippets"))*.