Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan duc cua snippets" » "phan duc code snippets", "pham duc cua snippets", "phan tu cua snippets", "phan dau cua snippets", "phan doc cua snippets", "phan luc cua snippets", "phan tuc cua 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: (((("phan duc cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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