Perhaps you should try some spelling variations:
doanh luan » doanh nhan
quan trinh » qua trinh, quan tinh, xuan trinh
chau tinh » cuu tinh, ha tinh, cua tinh
luan dung » lan dung, luan dong, luan hung
toc chau » toc cham, moc chau, ngoc chau
luat cau » luat dau, lua cau, luat cac
toan » tran

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chau tinh - toan doanh luan dung ((quan trinh) or (quan tri)) luat cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chau tinh - toan doanh luan dung ((quan trinh) OR (quan tri)) luat cau.
• Adding a wildcard symbol may retrieve word variants: toc chau tinh - toan doanh luan dung ((quan trinh) or (quan tri)) luat cau*.