Perhaps you should try some spelling variations:
chieu tach » chieu sach, chiu trach, chieu tinh
chiet tach » chieu sach
canh trinh » canh tranh, hanh trinh, canh tinh
trinh luan » trinh luat, trinh quan, trinh han
cong danh » cuong danh, cong dan, cong thanh
danh nhan » doanh nhan, thanh nhan, benh nhan
van cong » van dong, van phong, phan cong
nhan cau » nhanh cau, phan cau, nhan sau

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)) - canh trinh luan van cong danh nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tach) OR (chiet tach)) - canh trinh luan van cong danh nhan cau*.