Perhaps you should try some spelling variations:
thanh khung » thanh hung, thanh chuong, thanh phuong
hien xanh » hien hanh, hien nhanh, chieu xanh
khung cua » chung cua, khung luan, chung cu
nhan cach » phan cac
cua tong » cua cong, cua dong, cua nong
cong van » cong vang, song van, cong tan
cong san » cong tac
toan tap » toan 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 khung cua tong ((cong van) or (cong san)) ((toan tap) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh khung cua tong ((cong van) OR (cong san)) ((toan tap) OR (nhan cach)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh khung cua tong ((cong van) or (cong san)) ((toan tap) or (nhan cach))*.