Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh quan
theo dieu » theo tieu, theo chieu, thuoc dieu
dieu danh » dieu hanh, tieu danh, dia danh
tong cong » trong cong, cong cong, dung cong
trinh han » trinh quan
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cua tong » cua cong, cua dong, cua nong

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: theo dieu danh - anh tang cua tong cong ((trinh toan) OR (trinh han)) cao~.
• Adding a wildcard symbol may retrieve word variants: theo dieu danh - anh tang cua tong cong ((trinh toan) or (trinh han)) cao*.