Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"vien thu lua snippets" » "vien thuy lua snippets", "vien phu lua snippets", "tien thu lua snippets", "vien thu cua snippets", "vien thu luu snippets", "vien thue luat snippets", "vien thu lua 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: (((("vien thu lua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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