Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nhan luc » nang luc
ca danh » cao danh, cau danh, va danh
hieu cu » hieu cua, hieu ca, hieu su
te sach » toc sach
cu nhan » ca nhan
y nang » ky nang, ly nang, v nang
ca dan » cac dan, ca dao
o hai » co hai, so hai, o lai
o hoi » co hoi, o hoc, o hoa

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) OR (o hai)). hieu cu nhan luc ((ca danh) or (ca dan)) dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((o hoi) OR (o hai)). hieu cu nhan luc ((ca danh) OR (ca dan)) dai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((o hoi) OR (o hai)). hieu cu nhan luc ((ca danh) or (ca dan)) dai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((o hoi) OR (o hai)). hieu cu nhan luc ((ca danh) or (ca dan)) dai cua triet*.