Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hat cau cong snippets" » "hat cau code snippets", "hat cac cong snippets", "hat cuu cong snippets", "hat cao cong snippets", "hat chau cong snippets", "dat cau cong snippets", "hat ca cong 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: (((("hat cau cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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