Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thuc van cac snippets" » "thuc van code snippets", "thuc vat cac snippets", "thuc dan cac snippets", "thuc va cac snippets", "thuc van hac snippets", "thuc van cau snippets", "thuc van bac 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: (((("thuc van cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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