Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac phan toc snippets" » "cac phan code snippets", "cac nhan toc snippets", "cao phan toc snippets", "cap phan toc snippets", "cac phan tom snippets", "cac phan tich snippets", "cac phan quoc 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: (((("cac phan toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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