Perhaps you should try some spelling variations:
thanh sinh » thanh binh, thanh tinh, thanh vinh
cua triet » cua viet, su triet, va triet
sinh cua » manh cua, dinh cuu, sinh va
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
nang o » nang co, nang ho, nang ro
va nay » va ngay, va cay
xua va » xuat va, vua va
sua va » suat va, vua va
o hoc » co hoc, mo hoc, so hoc

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 nang o hoc. hieu va nay ((xua va) OR (sua va)) thanh sinh cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang o hoc. hieu va nay ((xua va) OR (sua va)) thanh sinh cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang o hoc. hieu va nay ((xua va) OR (sua va)) thanh sinh cua triet*.