Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chu viet cau snippets" » "chu viet code snippets", "che viet cau snippets", "khau viet cau snippets", "su viet cau snippets", "chu viet chau snippets", "chu viet ca snippets", "chu viet chu snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("chu viet cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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