Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
cong danh » cuong danh, cong dan, cong thanh
tung cua » trung cua, tuong cua, dung cua
cua dung » cua dang, cua dong, qua dung
hong anh » hoang anh, hong hanh, dong anh
tuan cu » tuan tu, quan cua, tuan thu

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 tung cua dung ((cong danh) or (hong anh)) tuan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - thanh tung cua dung ((cong danh) OR (hong anh)) tuan cu.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - thanh tung cua dung ((cong danh) or (hong anh)) tuan cu*.