Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
hanh trinh » canh tranh, hanh chinh
trinh phan » trinh han, trinh quan, thanh phan
phan cong » thanh cong
cong cong » cong dong, trong cong, dung cong
tran chau » tranh chap, tran huu
cong san » cong tac
tran cau » toan cau, ran cau, tra cau

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 tach - hanh trinh phan cong cong san ((tran cau) or (tran chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tach - hanh trinh phan cong cong san ((tran cau) OR (tran chau))*.