Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sach de hoan snippets" » "sach de code snippets", "cach de hoan snippets", "sach dao hoan snippets", "sach dat hoan snippets", "sach le hoang snippets", "sach duc hoan snippets", "sach ve hoang 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: (((("sach de hoan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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