Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sang » chieu sach, chieu xanh, hieu lang
trinh toan » tinh toan, thanh toan, trinh han
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cuu nhung » cua nhung, cuu phuong, chua nhung
ho chieu » theo chieu, hoc thieu, mot chieu
dinh cuu » dinh chi
toan dau » toan cau, toan du, toan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - hanh dinh cuu nhung cong trinh toan dau~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh dinh cuu nhung cong trinh toan dau*.