Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bug core snippets" » "locating bug code snippets"
"hau de lam snippets" » "hau den lam snippets", "sau de lam snippets", "cau de lam snippets", "hau da lam snippets", "hau de la snippets", "hau se lam 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 ("hau de lam snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python missing data snippets") OR ("hau de lam snippets"))) OR ("locating bug core snippets")).
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