Perhaps you should try some spelling variations:
hien bach » vien bach, thien hach, dien sach
hien hanh » dieu hanh
cua triet » cua viet, su triet, va triet
nang xa » nang x, lang xa, nang ma
tuoc va » thuoc va, nuoc va, duoc va
va danh » va dinh, va dan, va hanh
danh du » danh dau, danh tu, dinh du
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
du cua » duy cua, dau cua, dum 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 sac ky nang xa hoi. hieu ((hien bach) OR (hien hanh)) tuoc va danh du cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang xa hoi. hieu ((hien bach) OR (hien hanh)) tuoc va danh du cua triet".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. hieu ((hien bach) OR (hien hanh)) tuoc va danh du cua triet*.