Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
chua tri » chu tri, chua trieu, chua tivi
chua tre » cua tre, chua trieu, cho tre
thanh va » thanh van, hanh va, thanh ha
cham xuc » cam xuc, chat xuc, cham soc
dong hoc » dong luc
hieu tu » chieu tu, hieu tuc, hien tu
tu cham » toc cham, thi cham
sach ky » sac ky, sach y, sach ty
xuc van » duc van, luc van, vuc van
so sach » so sanh, 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: so sach ky ((dong hoc) or (dong co)) hoi. hieu tu cham xuc van thanh va ((chua tre) OR (chua tri))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((dong hoc) OR (dong co)) hoi. hieu tu cham xuc van thanh va ((chua tre) OR (chua tri)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky ((dong hoc) or (dong co)) hoi. hieu tu cham xuc van thanh va ((chua tre) OR (chua tri))".
• Adding a wildcard symbol may retrieve word variants: so sach ky ((dong hoc) or (dong co)) hoi. hieu tu cham xuc van thanh va ((chua tre) OR (chua tri))*.