Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dang hanh » dang thanh, ban hanh, dang van
thuc dang » thuoc dang, thuc dan, thuc dung
hanh vai » hanh vi, hanh va, hanh tai
nam thuc » nam thuoc, am thuc, nam thu
vai cua » dai cua, hai cua, lai cua
hieu ha » hieu hoa, hieu va, hieu ca
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
mang xa » mang may, dang xay, mang cua

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 ((((mang xa) OR (lang xa))) or (nang x)) hoi. hieu ha nam thuc dang hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((((mang xa) OR (lang xa))) OR (nang x)) hoi. hieu ha nam thuc dang hanh vai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((((mang xa) OR (lang xa))) or (nang x)) hoi. hieu ha nam thuc dang hanh vai cua triet*".