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"
"chuc phi tin snippets" » "chuc thi tin snippets", "chi phi tin snippets", "chau phi tin snippets", "chuc phi tien snippets", "chuc chi tin snippets", "chuc chi tien snippets", "chuc phi tin 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: (((("chuc phi tin snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuc phi tin snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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