Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao hoc cau snippets" » "dao hoc code snippets", "dai hoc cau snippets", "dan hoc cau snippets", "day hoc cau snippets", "dao hoc cao snippets", "dao hoc cac snippets", "dao hoc can 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: (((("python using java snippets") or ("dao hoc cau snippets"))) or ("locating bug core snippets"))~.
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