Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran toan co snippets" » "tran toan code snippets", "tranh toan co snippets", "tran tuan co snippets", "tran tan co snippets", "tran toan cao snippets", "tran toan ho snippets", "tran toan hoc 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 ("tran toan co snippets"))) or ("locating bug core snippets"))~.
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