Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » thuat sach, thuoc sach, thu hoach
khanh vi » khanh v, nhanh vi, khang vi
tu sach » su sach, te sach, tu cach
hieu va » lieu va, hieu qua
dao xuc » dao duc, dao tuc, dao xu
xuc duy » duc duy
va dao » ca dao
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thu sach)) ky nang x hoi. hieu va dao xuc duy ((khanh vi) or (hanh vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang x hoi. hieu va dao xuc duy ((khanh vi) OR (hanh vi)) cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang x hoi. hieu va dao xuc duy ((khanh vi) or (hanh vi)) cua triet*.