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"
"dac cac tinh snippets" » "dac dac tinh snippets", "dac ha tinh snippets", "dac cuu tinh snippets", "dac sac tinh snippets", "dac lac tinh snippets", "dan cac tinh snippets", "dac cac tinh 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: (((("dac cac tinh snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dac cac tinh snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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