Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
hieu nganh » vien nganh, hiem ngan, nghiep nganh
hieu manh » chieu xanh, dieu hanh, hien hanh
trinh tam » trinh tai, trinh toan, trinh cham
hung cong » nhung cong, hung cuong, phung cong
cong vang » cong lang, cong quang, cong ngang
thanh chu » thanh chau, thanh cha, thanh thu
hanh cham » thanh cham, thanh pham, khanh pham
tam hung » tam huong, cam hung, tai hung

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu nganh) OR (hieu manh)) - canh trinh tam hung cong vang ((thanh chu) or (hanh cham))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu nganh) OR (hieu manh)) - canh trinh tam hung cong vang ((thanh chu) OR (hanh cham))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((hieu nganh) OR (hieu manh)) - canh trinh tam hung cong vang ((thanh chu) or (hanh cham))*".