Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"va tham gen snippets" » "va tham kien snippets", "va thuat gen snippets", "va tham gia snippets", "van tham gen snippets", "va cham gen snippets", "va thanh gen snippets", "va tham gen 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: (((("va tham gen snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va tham gen snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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