Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bug core snippets" » "locating bug code snippets"
"mau hoc te snippets" » "mau hoc code snippets", "cau hoc te snippets", "mau ho te snippets", "mau hop te snippets", "mau hoc tu snippets", "mau hoc he snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python missing data snippets") or ("mau hoc te snippets"))) or ("locating bug core snippets"))~.
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