Perhaps you should try some spelling variations:
doanh thai » doanh tai, doanh thanh, doanh nhan
gia doanh » gia thanh, gia dinh, giai doan
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
thai cua » than cua, tai cuc, tri cua
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
van cac » van hac, van cau, van bac
cac xuc » cam xuc, cac nuoc, chat xuc
xuc gia » duc gia, luc gia, tuc gia
ly ang » ly hang, ly vang, ly nang
ang xa » lang xa, mang xa, dang xay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (su sach)) ly ang xa hoi. hieu van cac xuc gia doanh thai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ly ang xa hoi. hieu van cac xuc gia doanh thai cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ly ang xa hoi. hieu van cac xuc gia doanh thai cua triet*.