Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tu thu cao snippets" » "tu thu code snippets", "tu thuc cao snippets", "tu thu bao snippets", "tu thu lao snippets", "tu tu cao snippets", "vu thu cao snippets", "tieu thu cao 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: (((("tu thu cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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