Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong mau hoi snippets" » "dong mau code snippets", "dong ma hoi snippets", "dang mau hoi snippets", "dong ha hoi snippets", "dong cau hoi snippets", "dong mai hoi snippets", "dong mau ho 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 mau hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong mau hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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