Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
cham xuc » cam xuc, chat xuc, cham soc
tu sach » su sach, te sach, tu cach
van anh » van thanh, tuan anh, van minh
xuc van » duc van, luc van, xuc ban
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va
nang o » nang co, nang ho, nang ro
anh di » danh di, xanh di, anh d
di cua » dai cua, doi cua, de cua
o hai » co hai, so hai, o lai

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) or (thu sach)) ky nang o hai. ((hieu va) or (hieu qua)) cham xuc van anh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang o hai. ((hieu va) OR (hieu qua)) cham xuc van anh di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang o hai. ((hieu va) or (hieu qua)) cham xuc van anh di cua tre*.