Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phung duc ky snippets" » "phung quoc ky snippets", "phan duc ky snippets", "hong duc ky snippets", "phung duoc ky snippets", "phung du ky snippets", "phung duc sy snippets"

Try widening your search to All Fields.

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