Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong hoi toi snippets" » "dong hoi code snippets", "dong hoc toi snippets", "dong hoa toi snippets", "tong hop toi snippets", "dong hoi tai snippets", "dong hoi thi snippets", "dong hoi doi 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: (((("dong hoi toi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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