Perhaps you should try some spelling variations:
thieu nganh » hieu nganh, trien nganh, nghiep nganh
thanh trung » thanh tung
cua thuong » cua truong, ca thuong, cua huong
cua phuong » cuu phuong, cuc phuong, luan phuong
cong san » cong tac
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu nganh - thanh trung ((cua thuong) OR (cua phuong)) cong san ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu nganh - thanh trung ((cua thuong) OR (cua phuong)) cong san ((than cau) OR (phan cau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu nganh - thanh trung ((cua thuong) OR (cua phuong)) cong san ((than cau) or (phan cau))*".