Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"ung cho phan snippets" » "ung co phan snippets", "ung hoc phan snippets", "ung hoa phan snippets", "dung cho phan snippets", "rung cho phan snippets", "vung cho phan snippets"

Try widening your search to All Fields.

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