Perhaps you should try some spelling variations:
chieu tach » chieu sach, chiu trach, chieu tinh
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
luan hoat » luan hoan, qua hoat, luan khoa
hoat cong » hoat dong, hoa cong, thuat cong
cong danh » cuong danh, cong dan, cong thanh
danh phan » doanh phan, danh nhan, danh phap
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu tach) or (chiet tach)) - hanh trinh luan hoat cong danh phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tach) OR (chiet tach)) - hanh trinh luan hoat cong danh phan cau*.