Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha ban doan snippets" » "pha ban code snippets", "pha ban doanh snippets", "pha ban dan snippets", "pha ban soan snippets", "pha san doan snippets", "pha tan doan snippets", "nhat ban doan 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: (((("pha ban doan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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