Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh het de snippets" » "danh het code snippets", "danh viet de snippets", "danh hieu de snippets", "danh bat de snippets", "danh hat de snippets", "danh chet den snippets", "danh thiet de 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 ("danh het de snippets"))) or ("locating bug core snippets"))~.
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