Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien nhanh » hien hanh, thien thanh, tien thanh
chong cong » cong cong, thong cong, cuong cong
tang thanh » dang thanh, trung thanh, hoang thanh
hien danh » thien danh, hien hanh, hien khanh
trung cua » truong cua, trung tuan, trung cap
cua chong » cua cong, cua chung, cua khong
cong tang » cong thang, cong tan, cong lang
thanh cap » thanh lap, hanh cap, 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 ((hien danh) or (hien nhanh)) - thanh trung cua chong cong tang thanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien danh) OR (hien nhanh)) - thanh trung cua chong cong tang thanh cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien danh) or (hien nhanh)) - thanh trung cua chong cong tang thanh cap*.