Perhaps you should try some spelling variations:
dinh tai » dinh toai, dinh tri, dinh thi
sach ty » sach tu, sach thu, xach tay
tai cua » thai cua, tai cuc, tri cua
va dinh » van dinh, va kinh, va tinh
va chat » van chat, va phat, cao chat
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ty) or (sach y)) nang xa hoi. hieu ((ve cam) or (va chat)) tuc va dinh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) nang xa hoi. hieu ((ve cam) OR (va chat)) tuc va dinh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach y)) nang xa hoi. hieu ((ve cam) or (va chat)) tuc va dinh tai cua tre*.