Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, ho chieu, theo chu
bang thanh » ban thanh, dang thanh, tang thanh
doi chieu » doc hieu, doi chi, ho chieu
tuong cua » truong cua, huong cua, thong cua
dung cong » dung trong
bang than » ban than, sang than, bang nhan
cua dung » cua dang, cua dong, qua dung

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: ((doi chieu) OR (theo chieu)) tinh - thanh tuong cua dung cong ((bang than) OR (bang thanh)) cau~.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo chieu)) tinh - thanh tuong cua dung cong ((bang than) or (bang thanh)) cau*.