Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
chua tre » chua tri, cua tre, chua trieu
toc cham » toc thai
hoc sach » hoc sinh, hoc cac, hoc anh
thanh va » thanh van, hanh va, thanh ha
dong hoa » dong hoc, dong co
va chua » vua chua, ca chua, va chu
xuc van » duc van, luc van, vuc van
so sach » so sanh, bo sach, co sach
hoa hoi » khoa hoi, hoa hoc, hoa doi
ly dong » ly dung, lao dong, huy dong
tu cham » thi cham

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) or (hoc sach)) ly dong hoa hoi. hieu ((tu cham) or (toc cham)) xuc van thanh va chua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (hoc sach)) ly dong hoa hoi. hieu ((tu cham) OR (toc cham)) xuc van thanh va chua tre.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (hoc sach)) ly dong hoa hoi. hieu ((tu cham) or (toc cham)) xuc van thanh va chua tre*.