Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
su sach » so sach, vu sach
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
qua cam » qua cac, qua ca, qua cai
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ty nang) OR (ty hang)) xa hoi. hieu ((qua cam) or (qua cham)) xuc va danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ty hang)) xa hoi. hieu ((qua cam) OR (qua cham)) xuc va danh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty nang) OR (ty hang)) xa hoi. hieu ((qua cam) or (qua cham)) xuc va danh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ((ty nang) OR (ty hang)) xa hoi. hieu ((qua cam) or (qua cham)) xuc va danh vi cua tre*.