Perhaps you should try some spelling variations:
doanh than » doanh thanh, doanh nhan, doanh phan
thien van » thi van
cua triet » cua viet, su triet, va triet
sach thu » sach thue, sach thieu, sach tham
nang mai » nang ma, nang tai, lang mai
va doanh » van doanh, vay doanh, va danh
than cua » nhan cua, thai cua, ban cua
sach ty » sach y, sach tu, xach tay
mai hoi » mai khoi, dai hoi, lai hoi
van cam » van nam, van lam, van cau
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ty) or (sach thu)) nang mai hoi. thien van cam xuc va doanh than cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach thu)) nang mai hoi. thien van cam xuc va doanh than cua triet.
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach thu)) nang mai hoi. thien van cam xuc va doanh than cua triet*.