Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doan thu do snippets" » "doan thu code snippets", "doanh thu do snippets", "doan thuc do snippets", "doan thi do snippets", "doan thuy do snippets", "doan khu do snippets", "doan tu do snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("doan thu do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan thu do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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