Perhaps you should try some spelling variations:
"doanh cho hoa snippets" » "danh cho hoa snippets", "doanh co hoa snippets", "doanh cao hoa snippets", "doanh cho hoc snippets", "doanh chi hoa snippets", "doanh cho ho snippets"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("doanh cho hoa snippets") or ("python using sat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doanh cho hoa snippets") OR ("python using sat snippets"))) OR ("locating bug code snippets")).
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