Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
truong cua » truong ca, truong quan, truong cao
trung cua » trung tuan, trung cap, dung cua
tong cong » trong cong, cong cong, dung cong
cong tan » cong tac, cong san, cong thanh
tran tap » toan tap, tran tan, tran tuan

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 nhanh - thanh ((trung cua) or (truong cua)) tong cong tan tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - thanh ((trung cua) OR (truong cua)) tong cong tan tran tap.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - thanh ((trung cua) or (truong cua)) tong cong tan tran tap*.