Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
chua tre » chua tri, cua tre, chua trieu
hieu tuc » hieu thuc, hieu luc, hieu thuoc
dong hoc » dong luc
thanh va » thanh van, hanh va, thanh ha
cham xuc » cam xuc, chat xuc, cham soc
va chua » vua chua, ca chua, va chu
xuc van » duc van, luc van, vuc van
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
hieu tu » chieu tu, hien tu, lieu tu

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 ky ((dong hoc) or (dong co)) hoi. ((hieu tu) OR (hieu tuc)) cham xuc van thanh va chua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((dong hoc) OR (dong co)) hoi. ((hieu tu) OR (hieu tuc)) cham xuc van thanh va chua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky ((dong hoc) or (dong co)) hoi. ((hieu tu) OR (hieu tuc)) cham xuc van thanh va chua tre".
• Adding a wildcard symbol may retrieve word variants: so sach ky ((dong hoc) or (dong co)) hoi. ((hieu tu) OR (hieu tuc)) cham xuc van thanh va chua tre*.