Perhaps you should try some spelling variations:
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"dap anh thuc snippets" » "dap am thuc snippets", "dap dan thuc snippets", "dap anh tu snippets", "dat anh thuc snippets", "dao anh thuc snippets", "dap tinh thuc snippets", "dap anh thuc slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dap anh thuc snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap anh thuc snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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