Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
hieu tuc » hieu thuc, hieu luc, hieu thuoc
thanh ca » thanh cha, thanh cac, thanh ha
dong hoa » dong hoc, dong co
cham xuc » cam xuc, chat xuc, cham soc
so sach » so sanh, bo sach, hoc sach
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
hieu tu » chieu tu, hien tu, lieu tu
hoa hoi » khoa hoi, hoa hoc, hoa doi
ly dong » ly dung, lao dong, huy dong
co sach » bo sach, cuon sach, hoc sach
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: ((so sach) or (co sach)) ly dong hoa hoi. ((hieu tu) OR (hieu tuc)) cham xuc van thanh ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (co sach)) ly dong hoa hoi. ((hieu tu) OR (hieu tuc)) cham xuc van thanh ca cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (co sach)) ly dong hoa hoi. ((hieu tu) OR (hieu tuc)) cham xuc van thanh ca cua tre".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (co sach)) ly dong hoa hoi. ((hieu tu) OR (hieu tuc)) cham xuc van thanh ca cua tre*.