Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"day toan cau snippets" » "day toan code snippets", "dan toan cau snippets", "dang toan cau snippets", "day thanh cau snippets", "day toan cao snippets", "day toan ban snippets", "day toan tap 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 ("day toan cau snippets"))) or ("locating bug core snippets"))~.
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