Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
qua cam » qua cac, qua ca, qua cai
va hanh » van hanh, va thanh, va danh
lua tre » cua tre, luy tre, dua tren
tuc va » thuc va, truc va, tuc xa
vi lua » vi luu

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: "su sach ky nang xa hoi. hieu ((qua cam) OR (qua cham)) tuc va hanh vi lua tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ((qua cam) OR (qua cham)) tuc va hanh vi lua tre*.