Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"kho su cao snippets" » "kho su code snippets", "khoi su cao snippets", "kho mu cao snippets", "kho tu cao snippets", "kho cu cao snippets", "kho vu cao snippets", "kho su co 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 ("kho su cao snippets"))) or ("locating bug core snippets"))~.
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