Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"biet cho can snippets" » "biet cho code snippets", "viet cho can snippets", "viec cho can snippets", "viet co can snippets", "biet cho cac snippets", "biet cho phan snippets", "biet cho 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: (((("python using java snippets") or ("biet cho can snippets"))) or ("locating bug core snippets"))~.
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