Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chan cho cau snippets" » "chan cho code snippets", "chat cho cau snippets", "han cho cau snippets", "chuan chon cau snippets", "chan cho cac snippets", "chan co cau snippets", "chan cho chu 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: (((("chan cho cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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