Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cau ham khai snippets" » "cau tham khao snippets", "cau pham khac snippets", "cau than khai snippets", "cau cham khai snippets", "cau pham khai snippets", "cau hat khai snippets", "cau ham khai 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: (((("cau ham khai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau ham khai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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