Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"anh tran duy snippets" » "anh tuan duy snippets", "anh toan duy snippets", "anh trac duy snippets", "anh tran duc snippets", "anh tran quy snippets", "anh tran thuy snippets", "anh tran duy 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: (((("python using java snippets") or ("anh tran duy snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("anh tran duy snippets"))) OR ("locating bug code snippets")).
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