Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien xanh » hien hanh, hien nhanh, chieu xanh
trung cua » truong cua, trung tuan, trung cap
cong danh » cuong danh, cong thanh, cong khanh
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
toan ban » van ban

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