Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung nhanh cau snippets" » "dung nhan cau snippets", "vung nhanh cau snippets", "dung thanh cau snippets", "dung nhanh cay snippets", "dung thanh chau snippets", "dung nhanh ha snippets"
"dung vbug code snippets" » "dung vung code snippets", "dung bug code snippets"

Try widening your search to All Fields.

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