Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
manh chung » manh hung, lanh chung, doanh chung
khong cang » thong cong, hong bang, khong dung
hien xanh » hien hanh, chieu xanh, hien khanh
chung cua » chung cu, dung cua, huong cua
cua khong » hua khong, cua phuong, cua thuong
cang vang » cong vang, cang thang, chang nang
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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 nhanh)) - manh chung cua khong cang vang ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - manh chung cua khong cang vang ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien nhanh)) - manh chung cua khong cang vang ((than cau) or (than cap))*.