Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
danh lai » gianh lai, dinh lam, hanh lam
danh sai » dung sai, danh bat, danh dau
su triet » su viet, su tien, ve triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
sang xa » song xa, lang xa, sang ma
hieu vi » hieu voi, hieu va, hieu ve
pham » phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky sang xa hoi. hieu vi pham duc va ((danh lai) OR (danh sai)) ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky sang xa hoi. hieu vi pham duc va ((danh lai) OR (danh sai)) ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky sang xa hoi. hieu vi pham duc va ((danh lai) OR (danh sai)) ((cua triet) or (su triet))".
• Adding a wildcard symbol may retrieve word variants: te sach ky sang xa hoi. hieu vi pham duc va ((danh lai) OR (danh sai)) ((cua triet) or (su triet))*.