Perhaps you should try some spelling variations:
dang thanh » dong thanh, dang hanh, hoang thanh
thanh vai » thanh hai, thanh van, thanh tai
cua triet » cua viet, va triet
thuc dang » thuoc dang, thuc dan, thuc dung
su triet » su viet, su tien, ve triet
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
hieu ha » hieu hoa, hieu va, hieu ca
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ha am » hoa am, ha nam, ha lam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky ((nang xa) OR (lang xa)) hoi. hieu ha am thuc dang thanh vai ((cua triet) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky ((nang xa) or (lang xa)) hoi. hieu ha am thuc dang thanh vai ((cua triet) OR (su triet))~".
• Adding a wildcard symbol may retrieve word variants: su sac ky ((nang xa) or (lang xa)) hoi. hieu ha am thuc dang thanh vai ((cua triet) OR (su triet))*.