Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"chi toan xac snippets" » "khi toan xac snippets", "chi thanh xac snippets", "bai toan xac snippets", "chi toan ban snippets", "chi toan hoc snippets", "chi toan tap snippets"

Try widening your search to All Fields.

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