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

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 han dung cong san ((tran cau) or (tran huu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tach - hanh trinh han dung cong san ((tran cau) OR (tran huu)).
• Adding a wildcard symbol may retrieve word variants: toc thieu tach - hanh trinh han dung cong san ((tran cau) or (tran huu))*.