Perhaps you should try some spelling variations:
van khang » van khanh, van thanh, van quang
thuoc van » thuoc va, thuc van, thuoc ban
nam thuoc » nam thuc, nam thu, nha thuoc
khang di » hang di, khang vi, khang voi
sach ky » sach y, sach ty, sach kem
hieu ve » hieu va, hieu van
cuu tre » cua tre, cau tren, cau treo
nang ma » tang ma, sang ma, nang cao
lang xa » lang ha, dang xay, lang van
ve nam » he nam, va nam, le nam
sac ky » cac ky, sai ky
di cuu » di cau, di cua, dinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ky) or (sac ky)) ((lang xa) or (nang ma)) hoi. hieu ve nam thuoc van khang di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sac ky)) ((lang xa) OR (nang ma)) hoi. hieu ve nam thuoc van khang di cuu tre.
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (sac ky)) ((lang xa) or (nang ma)) hoi. hieu ve nam thuoc van khang di cuu tre*.