Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran quan so snippets" » "tran quan code snippets", "tran quang so snippets", "tran xuan so snippets", "tran tuan so snippets", "tran quan su snippets", "tran quan doi snippets", "tran quan sat 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 quan so snippets"))) or ("locating bug core snippets"))~.
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