Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc lua doan snippets" » "hoc lua code snippets", "hoc luat doanh snippets", "hoc luan hoan snippets", "hoc quan doan snippets", "hoc luan doan snippets", "hoc luat doan snippets", "hoc cua 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: (((("hoc lua doan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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