Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
hieu van » hieu va, thien van, lieu va
van anh » van thanh, tuan anh, van minh
doi cua » dai cua, hoi cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
nam tu » nam thu, nam thuc
de cua » le cua, te cua, dieu cua
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: tu sac ky nang x hoi. hieu van ((nam thuoc) or (nam tu)) van anh ((doi cua) or (de cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x hoi. hieu van ((nam thuoc) OR (nam tu)) van anh ((doi cua) OR (de cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. hieu van ((nam thuoc) or (nam tu)) van anh ((doi cua) or (de cua)) tre*.