Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu nganh » vien nganh, hiem ngan, hieu manh
trung cua » truong cua, trung tuan, trung cap
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh 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 ((hieu nganh) or (viem gan)) - thanh trung cua tong cong tan ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (viem gan)) - thanh trung cua tong cong tan ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (viem gan)) - thanh trung cua tong cong tan ((than cau) or (than cap))*.