Perhaps you should try some spelling variations:
thanh trung » thanh tung
vien nganh » vien thanh
thong cong » trong cong, tong cong, thong thong
hiem ngan » kim ngan, viem gan
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
cong dan » cong san, cong tan, huong dan
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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 cong dan ((than cap) OR (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((vien nganh) OR (hiem ngan)) - thanh trung cua thong cong dan ((than cap) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((vien nganh) or (hiem ngan)) - thanh trung cua thong cong dan ((than cap) OR (khan cap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((vien nganh) or (hiem ngan)) - thanh trung cua thong cong dan ((than cap) OR (khan cap))*.