Perhaps you should try some spelling variations:
van triet » va triet, van thiet, van trieu
cam truc » cau truc, nam truc, lam truoc
bo sach » co sach, hoc sach
mai hoi » mai khoi, dai hoi, lai hoi
qua cam » qua cham, qua cac, qua ca
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
ma hoi » xa hoi, ma hoa, me hoi

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach v nang ((ma hoi) OR (mai hoi)). hieu qua cam truc va hanh vi van triet~".
• Adding a wildcard symbol may retrieve word variants: bo sach v nang ((ma hoi) OR (mai hoi)). hieu qua cam truc va hanh vi van triet*.