Perhaps you should try some spelling variations:
thanh trung » thanh tung
vien nganh » vien thanh
hiem ngan » kim ngan, viem gan
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, thong den
dan thanh » dang thanh, danh thanh, ban thanh
thanh cac » hanh cac, thanh bac, thanh ca

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 thong thong dan thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((vien nganh) OR (hiem ngan)) - thanh trung cua thong thong dan thanh cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((vien nganh) or (hiem ngan)) - thanh trung cua thong thong dan thanh cac*.