Perhaps you should try some spelling variations:
thanh trung » thanh tung
vien nganh » vien thanh
cua thuong » cua truong, cua phuong, ca thuong
hiem ngan » kim ngan, viem gan
trung cua » truong cua, trung tuan, trung cap
dong danh » dong doanh, dong anh, dung danh
dong dan » duong dan, dong san, cong dan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((vien nganh) or (hiem ngan)) - thanh trung cua thuong ((dong dan) OR (dong danh)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((vien nganh) OR (hiem ngan)) - thanh trung cua thuong ((dong dan) OR (dong danh)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((vien nganh) or (hiem ngan)) - thanh trung cua thuong ((dong dan) OR (dong danh)) than cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((vien nganh) or (hiem ngan)) - thanh trung cua thuong ((dong dan) OR (dong danh)) than cau*.