Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chau tinh » ha tinh, cua tinh, cac tinh
hanh than » hanh han, hanh nhan, hanh phan
cua nhung » va nhung
than cua » nhan cua, thai cua, ban cua
cong san » cong tac
toan tap » toan ban
toan cao » toan ban

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 ((chau tinh) OR (cuu tinh)) - hanh than cua nhung cong san ((toan tap) OR (toan cao))~.
• Adding a wildcard symbol may retrieve word variants: hoc ((chau tinh) or (cuu tinh)) - hanh than cua nhung cong san ((toan tap) or (toan cao))*.