Perhaps you should try some spelling variations:
doanh bat » danh bat, doanh tai, doanh va
cham xuc » cam xuc, chat xuc, cham soc
va doanh » van doanh, vay doanh, va danh
va triet » va thiet, va trien, ve triet
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
cao hoi » cau hoi, co hoi, cao hoc
hieu va » lieu va, hieu qua
va cham » va chat, va tham
xuc va » duc va, tuc va, luc va
bat va » ban va, dat va, vat va

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)) ky nang cao hoi. hieu va cham xuc va doanh bat va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang cao hoi. hieu va cham xuc va doanh bat va triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang cao hoi. hieu va cham xuc va doanh bat va triet*.