Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"con cho tran snippets" » "con cho thanh snippets", "con cho trong snippets", "con cho phan snippets", "cong cho tran snippets", "ton cho tran snippets", "con chi tran snippets"

Try widening your search to All Fields.

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