Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu vi tang snippets" » "thu vi trang snippets", "thu viec tang snippets", "thu gia tang snippets", "thu ai tang snippets", "thu va tang snippets", "chu vi tang snippets", "thu vi tang 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 ("thu vi tang snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thu vi tang snippets"))) OR ("locating bug code snippets")).
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