Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thuoc sac » thuoc sach, thuoc dac, thuoc sai
van cham » van chat, van tham, van pham
van hanh » ban hanh, van anh, van ban
va cham » va chat, va tham
cuu tre » cua tre, cau tren, cau treo
sac ky » cac ky, sai ky
vi cuu » vi luu, vinh cuu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sac ky nang x hoi. hieu ((van cham) or (va cham)) xuc ((van hanh) or (van thanh)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sac ky nang x hoi. hieu ((van cham) OR (va cham)) xuc ((van hanh) OR (van thanh)) vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: thuoc sac ky nang x hoi. hieu ((van cham) or (va cham)) xuc ((van hanh) or (van thanh)) vi cuu tre*.