Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nao cac phan snippets" » "nao cac nhan snippets", "nao cao phan snippets", "nao cap phan snippets", "nam cac phan snippets", "sao cac phan snippets", "tao cac phan snippets"

Try widening your search to All Fields.

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