Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
sach tu » cach tu, sach ty, sach uu
nang xa » nang x, lang xa, nang ma
qua cam » qua cham, qua cac, qua ca
va dinh » van dinh, va kinh, va tinh
dinh vi » dinh ve, dinh viet, dinh tri
cua tre » cua te, cuu tre, cua triet
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 thu) or (sach tu)) nang xa hoi. hieu qua cam xuc va dinh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach thu) OR (sach tu)) nang xa hoi. hieu qua cam xuc va dinh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((sach thu) or (sach tu)) nang xa hoi. hieu qua cam xuc va dinh vi cua tre*.