Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dan hoi sinh snippets" » "dan hoa sinh snippets", "dan hoc sinh snippets", "dan hoi tinh snippets", "dai hoi sinh snippets", "dang khoi sinh snippets", "dan hoi sinh 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: (((("dan hoi sinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan hoi sinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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