Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
thu hang » thi hang, thuc hanh, thu huong
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
thanh vi » hanh vi, thanh va, thanh ve
su triet » su viet, su tien
ve triet » va trien
so sach » so sanh, bo sach, co sach
xuc gia » duc gia, luc gia, tuc gia
va hoi » xa hoi, va hoc, va hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach thu hang va hoi. hieu qua cham xuc gia thanh vi ((su triet) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thu hang va hoi. hieu qua cham xuc gia thanh vi ((su triet) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: so sach thu hang va hoi. hieu qua cham xuc gia thanh vi ((su triet) or (ve triet))*.