Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
hanh trinh » canh tranh, hanh chinh
cong doanh » cong doan, dong doanh, rong doanh
hoc thieu » toc thieu, hoc hien
luat hanh » luat hinh, luat canh, luat danh
cong danh » cuong danh, cong dan, cong thanh
quan cau » quang cao, toan cau, quan ha

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tach - hanh trinh luat hanh ((cong doanh) OR (cong danh)) quan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - hanh trinh luat hanh ((cong doanh) or (cong danh)) quan cau*.