Perhaps you should try some spelling variations:
sach nay » sach hay, sach vay, sach nang
doanh ca » doanh cua, doanh cao, doanh va
va doanh » van doanh, vay doanh, va danh
cham xuc » cam xuc, chat xuc, cham soc
nang lai » nang tai, mang lai, nang cai
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
lai hoa » dai hoa, loai hoc
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
ca cua » co cua

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 nay) or (sach ty))) or (sac ky)) nang lai hoa. hieu ve cham xuc va doanh ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((((sach nay) OR (sach ty))) OR (sac ky)) nang lai hoa. hieu ve cham xuc va doanh ca cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((((sach nay) or (sach ty))) or (sac ky)) nang lai hoa. hieu ve cham xuc va doanh ca cua tre*.