Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi quan cau snippets" » "thi quan code snippets", "thi xuan cau snippets", "tri quan cau snippets", "thi luan cau snippets", "thi quang cao snippets", "thi toan cau snippets", "thi quan ha 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: (((("python using java snippets") or ("thi quan cau snippets"))) or ("locating bug core snippets"))~.
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