Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi dac nhan snippets" » "phi cac nhan snippets", "phi danh nhan snippets", "phi ca nhan snippets", "phi dau nhan snippets", "pham dac nhan snippets", "phia bac nhan snippets"

Try widening your search to All Fields.

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