Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
cua thuong » cua truong, cua phuong, ca thuong
tinh sang » tinh quang, tinh trang, trinh san
chao cau » chao chu, chao chao, cao cap
cau sach » cao sach, hau sach, rau sach
sang cua » mang cua, song cua, hang cua
cong tan » cong tac, cong san, cong thanh
toan tai » doanh tai, toan ban, toan cao
toan tap » 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: chao cau sach - tinh sang cua thuong cong tan ((toan tai) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: chao cau sach - tinh sang cua thuong cong tan ((toan tai) or (toan tap))*.