Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ban cau cho snippets" » "ban cau code snippets", "bang cau cho snippets", "ban can cho snippets", "van cau cho snippets", "ban cap cho snippets", "ban cao cho snippets", "ban cu cho 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: (((("ban cau cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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