Perhaps you should try some spelling variations:
"Quản trị minh doanh." » "Quản trị kinh doanh." (Expand Search), "Quản trị minh doan." (Expand Search), "Quản trị minh danh." (Expand Search)
"quan tri binh doanh." » "quan tri kinh doanh." (Expand Search), "quan tri binh doan." (Expand Search), "quan tri hinh doanh." (Expand Search), "quan tri tinh doanh." (Expand Search), "quan thi binh doanh." (Expand Search), "quan tri dinh doanh." (Expand Search)
"quan tri kinh doan." » "quan tri kinh doanh." (Expand Search), "quan tri minh doan." (Expand Search), "quan tri binh doan." (Expand Search), "quan trien kinh doan." (Expand Search)
tri minh » thi minh (Expand Search), tri tinh (Expand Search), tri dinh (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("Quản trị minh doanh.") OR ("quan tri binh doanh."))) OR ("quan tri kinh doan."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"Quản trị minh doanh.\") OR (\"quan tri binh doanh.\"))) OR (\"quan tri kinh doan.\"))".
• Removing quotes may allow a broader search: (((( Quản trị minh doanh. ) OR ( quan tri binh doanh. ))) OR ( quan tri kinh doan. )).
• Adding a wildcard symbol may retrieve word variants: (((("Quản trị minh doanh.") OR ("quan tri binh doanh."))) OR ("quan tri kinh doan."))*.