Perhaps you should try some spelling variations:
"dung cuan code snippets" » "dung luan code snippets", "dung quan code snippets", "dung xuan code snippets", "dung luann code snippets", "dung chon code snippets", "dung cuan core snippets"
"dung cua cau snippets" » "dung luan cau snippets", "dung cho cau snippets", "dung chua cau snippets", "dung cua cac snippets", "dung cua chu snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung cuan code snippets") or ("dung cua cau snippets"))) or ("locating bug code snippets"))~.
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• Adding a wildcard symbol may retrieve word variants: (((("dung cuan code snippets") or ("dung cua cau snippets"))) or ("locating bug code snippets"))*.