Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hieu manh » hieu nganh, dieu hanh, hien hanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong tinh » cong trinh, cong vinh, long tinh
toan cao » toan ban, toan tap

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: hoc ((chieu xanh) OR (hieu manh)) - hanh trung cua nhung cong tinh toan cao~.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hieu manh)) - hanh trung cua nhung cong tinh toan cao*.