Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dao hoan duc snippets" » "dao doanh duc snippets", "vao hoang duc snippets", "do hoa duc snippets", "dao hoang duc snippets", "dao hoai duc snippets", "dao toan duc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dao hoan duc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao hoan duc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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