Perhaps you should try some spelling variations:
thuc van » thuc vat, thuc dan, thuc va
nam thuc » nam thuoc, am thuc, nam thu
van hanh » van thanh, ban hanh, van anh
va trien » va truyen, va thiet, va tieng
va tuyen » va truyen, tac tuyen, ke tuyen
hieu va » lieu va, hieu qua
hanh tu » anh tu, danh tu
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
va nam » van nam, ha nam, va nay

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 x ho. hieu va nam thuc van hanh tu ((va trien) OR (va tuyen))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang x ho. hieu va nam thuc van hanh tu ((va trien) OR (va tuyen))".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang x ho. hieu va nam thuc van hanh tu ((va trien) OR (va tuyen))*.