Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
ganh nang » anh nang, nganh nong, van nang
cua nhung » va nhung
hinh toan » tinh toan, thanh toan, manh toan
nang cua » mang cua, hang cua, nang dua

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: theo chieu xanh - ganh nang cua nhung cong ((hinh toan) OR (trinh toan)) cao~.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ganh nang cua nhung cong ((hinh toan) or (trinh toan)) cao*.