Perhaps you should try some spelling variations:
duong khoa » dung khoa, luong khoa
thanh tua » thanh tuan, thanh tra, thanh tu
van thanh » ban thanh, van tuan
hoc sach » hoc sinh, hoc cac, hoc anh
hieu thi » sieu thi, hieu chi, hiep thi
tua chua » sua chua, cua chua, ta chua
cham xuc » cam xuc, chat xuc, cham soc
thi cham » thi hai, toc cham, thi ha
khoa hoi » khoan hoi, khoa hoc, khoa doi
ky duong » ke duong, huy duong, ky thuong
chua tre » chua tri, cua tre, chua trieu
xuc van » duc van, luc van, vuc van
bo sach » co sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc sach) or (bo sach)) ky duong khoa hoi. hieu thi cham xuc van thanh tua chua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (bo sach)) ky duong khoa hoi. hieu thi cham xuc van thanh tua chua tre.
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) or (bo sach)) ky duong khoa hoi. hieu thi cham xuc van thanh tua chua tre*.