Perhaps you should try some spelling variations:
thieu nganh » hieu nganh, trien nganh, nghiep nganh
thanh trung » thanh tung
thuong cong » thong cong, thuong con, thuong dong
cua thuong » cua truong, cua phuong, ca thuong
trung cua » truong cua, trung tuan, trung cap
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
phan cac » nhan cach, phan dau, phan lap

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 cong dan ((than cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu nganh - thanh trung cua thuong cong dan ((than cau) OR (phan cac))*.