Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"thuc can san snippets" » "thuc chan san snippets", "thuc dan san snippets", "thuc van san snippets", "thuc can ban snippets", "thuc cac san snippets", "thuc ca san snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("thuc can san snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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