Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hien bach » vien bach, thien hach, hien hanh
bach tuoc » sach duoc, sach nuoc
dieu hien » dieu khien, dieu kien, bieu hien
nang xa » nang x, lang xa, mang xa
danh du » danh dau, danh tu, dinh du
nang ma » sang ma, nang cao, mang may
va danh » va dinh, va dan, va hanh
tuoc va » thuoc va, nuoc va, duoc va
tang ma » mang may, tang van
du cua » duy cua, dau cua, dum cua
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky

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 xa) or (((nang ma) or (tang ma)))) hoi. dieu hien bach tuoc va danh du cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky ((nang xa) OR (((nang ma) OR (tang ma)))) hoi. dieu hien bach tuoc va danh du cua triet.
• Adding a wildcard symbol may retrieve word variants: su sac ky ((nang xa) or (((nang ma) or (tang ma)))) hoi. dieu hien bach tuoc va danh du cua triet*.