Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tao anh nhan snippets" » "tao danh nhan snippets", "tao doanh nhan snippets", "tao thanh nhan snippets", "cao anh nhan snippets", "tam anh nhan snippets", "tran anh nhan snippets"

Try widening your search to All Fields.

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