Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"thuc toan va snippets" » "thuc trang va snippets", "thuat toan va snippets", "thuc thanh va snippets", "thuc doan va snippets", "thuc tran van snippets", "thuc toan ban snippets"

Try widening your search to All Fields.

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