Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
gia doanh » gia thanh, gia dinh, giai doan
hieu van » hieu va, thien van, lieu va
lam duoc » nam duoc, luat duoc, tao duoc
va triet » va thiet, va trien, ve triet
nang ma » tang ma, sang ma, nang cao
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
tai va » thai va, mai va, tri va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang ma hoa. hieu van ((lam duoc) OR (lam thuoc)) gia doanh tai va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang ma hoa. hieu van ((lam duoc) OR (lam thuoc)) gia doanh tai va triet".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang ma hoa. hieu van ((lam duoc) OR (lam thuoc)) gia doanh tai va triet*.