Perhaps you should try some spelling variations:
nganh thanh » nhanh thanh, danh thanh, nhanh thang
trinh nganh » trinh ngan, trinh thanh, trinh anh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh chau » thanh cha, thanh cham, thanh chu
hanh mang » nhanh mang, hanh trang, nhanh lang
ho chieu » theo chieu, hoc thieu, doi chieu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((hanh mang) OR (canh tranh)) cua cong trinh nganh thanh chau~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((hanh mang) or (canh tranh)) cua cong trinh nganh thanh chau*.