Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tran » trung tuan, trung thanh, trung tam
hien xanh » hien hanh, hien nhanh, chieu xanh
tran dung » tran dang, tran hung, tran quang
dung cong » dung trong
tran tuan » tran xuan, tran quang, tran thanh
cong tac » cong ty
tran tap » toan tap, tran tan, trang tai

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 xanh - thanh trung tran dung cong tac ((tran tap) or (tran tuan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh trung tran dung cong tac ((tran tap) OR (tran tuan))*.