Perhaps you should try some spelling variations:
"lap anh toan snippets" » "lap anh code snippets", "lap manh toan snippets", "lap anh tuan snippets", "lap thanh toan snippets", "lap lanh toan snippets", "lan anh toan snippets", "lap doanh toan 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 ("lap anh 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 ("lap anh toan snippets"))) OR ("locating bug core snippets")).
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