Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoan ke cac snippets" » "khoan le cac snippets", "khoan va cac snippets", "toan ke cac snippets", "khoan ke cau snippets", "khoan ve cac snippets", "khoan de cac snippets"
"locating bug code snippets" » "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: (((("khoan ke cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoan ke cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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