Perhaps you should try some spelling variations:
"dung cuat code snippets" » "dung chat code snippets", "dung luat code snippets", "dung quat code snippets", "dung luant code snippets", "dung chot code snippets", "dung cuat 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 cuat code snippets") or ("dung cua cau snippets"))) or ("locating bug code snippets"))~.
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• Removing quotes may allow a broader search: (((( dung cuat code snippets ) or ( dung cua cau snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cuat code snippets") or ("dung cua cau snippets"))) or ("locating bug code snippets"))*.