Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran dang o2 snippets" » "tran dang code snippets", "tran quang o2 snippets", "tran hoang o2 snippets", "tranh hang o2 snippets", "tran dang o snippets", "tran hang o2 snippets", "tran dang noi 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: (((("tran dang o2 snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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