Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
quan nhung » qua nhung, cua nhung, luan chung
nhung cong » dung cong, thong cong, hang cong
cong bang » cuong bang, dong bang, hong bang
bang than » bang thanh, ban than, sang than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((thanh thuong) or (thanh tung)) quan nhung cong bang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((thanh thuong) OR (thanh tung)) quan nhung cong bang than cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((thanh thuong) or (thanh tung)) quan nhung cong bang than cau*.