Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
cua thuong » cua truong, cua phuong, ca thuong
anh mang » hanh mang, anh bang, anh dang
mang cua » manh cua, dung cua, ban cua
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh
ha dong » hoat dong, van dong
chuc » thuc, chu, chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((ha dong) or (chuc nang)) - anh mang cua thuong cong ((dan toan) OR (van toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((ha dong) OR (chuc nang)) - anh mang cua thuong cong ((dan toan) OR (van toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((ha dong) or (chuc nang)) - anh mang cua thuong cong ((dan toan) OR (van toan)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((ha dong) or (chuc nang)) - anh mang cua thuong cong ((dan toan) OR (van toan)) cau*.