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

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