Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ly phan cung snippets" » "ly phan code snippets", "ly phan cong snippets", "ly phan ung snippets", "ly phan xuong snippets", "ly nhan cung snippets", "duy phan cung 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: (((("ly phan cung snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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