Perhaps you should try some spelling variations:
nhung danh » nhung doanh, nhung manh, nhung hanh
doi chieu » doc hieu, doi chi, mot chieu
danh nhan » doanh nhan, thanh nhan, benh nhan
nhan dung » chan dung, nhan dang, ngan dung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, mot chieu
tap toan » tap doan, tap quan, bai toan

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: ((ho chieu) OR (doi chieu)) xanh - nhung danh nhan dung cong ((tan tran) OR (tap toan)) cao~.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - nhung danh nhan dung cong ((tan tran) or (tap toan)) cao*.