Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
dong khoa » duong khoa, dung khoa, dong hoa
van quan » van ban
khoa hoi » khoan hoi, khoa hoc, khoa doi
cham xuc » chat xuc, cham soc, pham duc
cua tre » cua te, cuu tre, cua triet
ky dong » ly dong, ky dang, ky cong
hieu tu » chieu tu, hieu tuc, hien tu
van cua » vang cua, ban cua, dan cua
so sac » so sach, so dac
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sac ky dong khoa hoi. hieu tu ((cham xuc) or (cam xuc)) ((van thanh) or (van quan)) van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ky dong khoa hoi. hieu tu ((cham xuc) OR (cam xuc)) ((van thanh) OR (van quan)) van cua tre.
• Adding a wildcard symbol may retrieve word variants: so sac ky dong khoa hoi. hieu tu ((cham xuc) or (cam xuc)) ((van thanh) or (van quan)) van cua tre*.