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

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("cua 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: (((("cua toan xac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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