Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
nham nang » phap nang, cam nang, kha nang
thanh le » thinh le, thanh ve, thanh de
cam duc » cam xuc, cao duc, nam duoc
su sach » vu sach
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
so sach » so sanh, bo sach, co sach
le cua » ly 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) OR (so sach)) nham nang xa hoi. hieu ve ((cam duc) or (pham duc)) ban thanh le cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) nham nang xa hoi. hieu ve ((cam duc) OR (pham duc)) ban thanh le cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) nham nang xa hoi. hieu ve ((cam duc) or (pham duc)) ban thanh le cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) nham nang xa hoi. hieu ve ((cam duc) or (pham duc)) ban thanh le cua triet*.