Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang toan do snippets" » "tang toan code snippets", "dang toan do snippets", "tang tan do snippets", "thanh toan do snippets", "tang toan ho snippets", "tang toan co snippets", "tang toan du 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: (((("tang toan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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