Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"chi cac phan snippets" » "chi cac nhan snippets", "chi cao phan snippets", "chi cap phan snippets", "cho cac phan snippets", "chi cuc phan snippets", "chon cac phan snippets"

Try widening your search to All Fields.

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