Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"han dao cac snippets" » "han dao code snippets", "hanh dao cac snippets", "van dao cac snippets", "han dau cac snippets", "han do cac snippets", "han sao cac snippets", "han tao cac 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: (((("han dao cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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