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