Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
cua thuong » cua truong, cua phuong, ca thuong
chau tinh » cuu tinh, ha tinh, cua tinh
cha tinh » cham tinh, chai tinh, chua tinh
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((cha tinh) OR (chau tinh)) - anh tang cua thuong cong tan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((cha tinh) OR (chau tinh)) - anh tang cua thuong cong tan ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((cha tinh) OR (chau tinh)) - anh tang cua thuong cong tan ((toan tap) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: cho ((cha tinh) OR (chau tinh)) - anh tang cua thuong cong tan ((toan tap) or (toan ban))*.