Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ten cac cau snippets" » "ten cac code snippets", "ton cac cau snippets", "den cac cau snippets", "te cac cau snippets", "ten cac mau snippets", "ten bac cau snippets", "ten ca cau 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 ("ten cac cau snippets"))) or ("locating bug core snippets"))~.
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