Perhaps you should try some spelling variations:
"tao thi hoan snippets" » "tao thi code snippets", "tao thi hoa snippets", "tao thi hanh snippets", "tao thi hong snippets", "dao thi hoan snippets", "cao thi hoan snippets", "tao tai hoan 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 ("tao thi hoan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tao thi hoan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tao thi hoan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tao thi hoan snippets"))) or ("locating bug core snippets"))*.