Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran ly nhat snippets" » "toan ly nhat snippets", "tran sy nhat snippets", "tran duy nhat snippets", "tran ly chat snippets", "tran ly nha snippets", "tran ly nhan snippets", "tran ly nhat 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: (((("tran ly nhat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran ly nhat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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