Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh di » thanh doi, thanh de, thanh do
te sach » toc sach
hieu va » lieu va, hieu qua
cam luc » cau luc
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
nang o » nang co, nang ho, nang ro
di cua » dai cua, doi cua, de cua
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. hieu va ((cam luc) or (cam xuc)) va thanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang o hoi. hieu va ((cam luc) OR (cam xuc)) va thanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang o hoi. hieu va ((cam luc) or (cam xuc)) va thanh di cua tre*.