Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"danh dau ban snippets" » "lanh dao ban snippets", "hang dau ban snippets", "xang dau ban snippets", "danh dau bang snippets", "danh da ban snippets", "danh dau bao snippets", "danh dau ban 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 ban 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 ban snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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