Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
thang cong » thanh cong, thang long, thong cong
danh nhan » doanh nhan, thanh nhan, benh nhan
van doanh » toan doanh, van dong, van thanh
doanh cao » doanh co, doanh bao, doanh cho
doc hieu » hoc thieu, hoc hien
anh nhan » doanh nhan, thanh nhan, benh nhan
cong van » cong vang, cong san, song van

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)) sach - ((anh nhan) or (danh nhan)) thanh thang cong van doanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) sach - ((anh nhan) OR (danh nhan)) thanh thang cong van doanh cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (toc thieu)) sach - ((anh nhan) or (danh nhan)) thanh thang cong van doanh cao*".