Perhaps you should try some spelling variations:
thien van » thi van
su triet » su tien, ve triet
hanh dai » hanh tai, hanh dao, vanh dai
te sach » toc sach
su viet » so viet
van dau » van dao, phan dau
xuc va » duc va, luc va, xac va
y nang » ky nang, ly nang, v nang
tuc va » thuc va, truc va, tuc xa
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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 y nang o hoi. thien van dau ((xuc va) or (tuc va)) hanh dai ((su triet) OR (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang o hoi. thien van dau ((xuc va) OR (tuc va)) hanh dai ((su triet) OR (su viet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang o hoi. thien van dau ((xuc va) or (tuc va)) hanh dai ((su triet) OR (su viet))*".