Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
hien xanh » hien hanh, hien nhanh, chieu xanh
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
tra cau » tra sau, ta cau, tra cuu

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 thong cong tan ((tra cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh trung tuan thong cong tan ((tra cau) OR (toan cau))*.