Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ngu thuc lac snippets" » "ngu tuc lac snippets", "ngu thu lac snippets", "nguon thuc lac snippets", "ngu thuc cach snippets", "ngu thuc khac snippets", "ngu thuc luan snippets", "ngu thuc lac 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 ("ngu thuc lac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("ngu thuc lac snippets"))) OR ("locating bug code snippets")).
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