Perhaps you should try some spelling variations:
trinh chuan » trinh han, trinh quan, trinh luan
thuoc dieu » thuc dieu, hoc dieu, thuat dieu
hanh trinh » canh tranh, hanh chinh
chuan dong » chua dong, chuan long, chuyen dong
dong cong » duong cong, dung cong, dang cong
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc dieu hanh - hanh trinh chuan dong cong tan tran cau~.
• Adding a wildcard symbol may retrieve word variants: thuoc dieu hanh - hanh trinh chuan dong cong tan tran cau*.