Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bug core snippets" » "locating bug code snippets"
"hang va ho snippets" » "hang va code snippets", "hang va hoc snippets", "hang va hoa snippets", "hang va hoi snippets", "nang va ho snippets", "dang va ho snippets", "hanh va ho snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("hang va ho snippets") or ("python missing data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang va ho snippets") OR ("python missing data snippets"))) OR ("locating bug core snippets")).
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