Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung su do snippets" » "nhung su code snippets", "nhung quy do snippets", "nhung cau do snippets", "nhung mau do snippets", "nhung su dao snippets", "nhung su doi snippets", "nhung so do 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: (((("nhung su do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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