Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sam toan ho snippets" » "sam toan code snippets", "tam toan ho snippets", "sam doanh ho snippets", "bai toan ho snippets", "sam toan hoc snippets", "sam toan khoa snippets", "sam toan 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: (((("python using java snippets") or ("sam toan ho snippets"))) or ("locating bug core snippets"))~.
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