Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
van thanh » ban thanh, van tuan
chua tre » chua tri, cua tre, chua trieu
cham xuc » cam xuc, chat xuc, cham soc
van chua » va chua, van chia, van chu
dong hoa » dong hoc, dong co
hieu tuc » hieu thuc, hieu thuoc, lieu thuc
hieu luc » hieu luat, hieu qua
xuc van » duc van, luc van, vuc van
co sach » bo sach, cuon sach, hoc sach
sach ky » sac ky, sach y, sach ty
hoa hoi » khoa hoi, hoa hoc, hoa doi
ky dong » ly dong, ky dang, ky cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sach ky dong hoa hoi. ((hieu tuc) OR (hieu luc)) cham xuc van thanh van chua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co sach ky dong hoa hoi. ((hieu tuc) OR (hieu luc)) cham xuc van thanh van chua tre".
• Adding a wildcard symbol may retrieve word variants: co sach ky dong hoa hoi. ((hieu tuc) OR (hieu luc)) cham xuc van thanh van chua tre*.