Perhaps you should try some spelling variations:
thanh trung » thanh tung
thanh trang » hanh trang, thanh thang, thanh tran
trung tuan » trung thanh, trung tam, tran tuan
cong thanh » dong thanh, cong trinh, cong tan
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
tuan hang » tuan hoang, tuan bang, tuan dang
hang cong » dang cong, hang nong, bang cong
trang tan » trang tuan, trong tan, tran tan

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) OR (hien hanh)) - thanh trung tuan hang cong thanh trang tan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien hanh)) - thanh trung tuan hang cong thanh trang tan".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien hanh)) - thanh trung tuan hang cong thanh trang tan*.