Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"danh dau duc snippets" » "lanh dao duc snippets", "hang dau duc snippets", "xang dau duc snippets", "danh dao duc snippets", "danh dang duc snippets", "danh dau nuoc snippets", "danh dau duc slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("danh dau duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh dau duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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