Perhaps you should try some spelling variations:
"ly toan hoan snippets" » "ly toan code snippets", "ly toan khoan snippets", "ly toan hoat snippets", "ly tuan hoan snippets", "le toan hoan snippets", "ly hoan hoan snippets", "ly tran hoan snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("ly toan 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 ("ly toan hoan snippets"))) OR ("locating bug core snippets")).
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