Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tai lan hung snippets" » "tai van hung snippets", "tai luan chung snippets", "tai lan phuong snippets", "tai lang hung snippets", "tai lanh hung snippets", "thi lan hung snippets", "tai lan hung 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 ("tai lan hung snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tai lan hung snippets"))) OR ("locating bug code snippets")).
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