Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
thu sach » thuat sach, thuoc sach, thu hoach
cham xuc » cam xuc, chat xuc, cham soc
qua cham » qua hai, qua cac, va cham
hoa hoi » khoa hoi, hoa hoc, hoa doi
va hanh » van hanh, va thanh, va danh
tu sach » su sach, te sach, tu cach
ky lang » ky nang, ky dang, ky tang
ha hoi » ha noi, xa hoi, va hoi
xuc va » duc va, tuc va, luc va
vi va » vi van, vai va, vu 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 (thu sach)) ky lang ((ha hoi) or (hoa hoi)). hieu qua cham xuc va hanh vi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky lang ((ha hoi) OR (hoa hoi)). hieu qua cham xuc va hanh vi va triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky lang ((ha hoi) or (hoa hoi)). hieu qua cham xuc va hanh vi va triet*.