Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hang vi tran snippets" » "hang va tran snippets", "hanh vi tran snippets", "hang di tran snippets", "hang vi trang snippets", "hang v tran snippets", "hang vi than snippets"

Try widening your search to All Fields.

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