Perhaps you should try some spelling variations:
danh nhan » doanh nhan, thanh nhan, benh nhan
nhan cong » nhanh cong, phan cong, nhap cong
cong cong » cong dong, trong cong, dung cong
doc hieu » hoc thieu, hoc hien
van danh » van doanh, van anh, van hanh
cong van » cong vang, cong san, song van
van gian » van giang, dan gian, van giao
gian dan » gian lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (toc thieu)) nganh - van danh nhan cong cong van gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) nganh - van danh nhan cong cong van gian dan.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (toc thieu)) nganh - van danh nhan cong cong van gian dan*.