Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hieu tuc » hieu thuc, hieu luc, hieu thuoc
thanh va » thanh van, hanh va, thanh ha
dong hoa » dong hoc, dong co
cham xuc » chat xuc, cham soc, pham duc
bo sach » co sach, hoc sach
hoa hoi » khoa hoi, hoa hoc, hoa doi
ky dong » ly dong, ky dang, ky cong
cua tre » cua te, cuu tre, cua triet
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((bo sach) or (do sanh)) ky dong hoa hoi. hieu tuc ((cham xuc) or (cam xuc)) ban thanh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((bo sach) OR (do sanh)) ky dong hoa hoi. hieu tuc ((cham xuc) OR (cam xuc)) ban thanh va cua tre.
• Adding a wildcard symbol may retrieve word variants: ((bo sach) or (do sanh)) ky dong hoa hoi. hieu tuc ((cham xuc) or (cam xuc)) ban thanh va cua tre*.