Perhaps you should try some spelling variations:
thieu nganh » hieu nganh, trien nganh, nghiep nganh
thanh trung » thanh tung
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh

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 dung) OR (cua dang)) cong tan thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu nganh - thanh trung ((cua dung) OR (cua dang)) cong tan thanh cau".
• Adding a wildcard symbol may retrieve word variants: toc thieu nganh - thanh trung ((cua dung) OR (cua dang)) cong tan thanh cau*.