Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
va triet » va thiet, va trien, ve triet
nhan luc » nang luc
danh dai » danh dau, danh di, danh sai
va danh » va dinh, va dan, va hanh
te sach » toc sach
hieu cu » hieu cua, hieu ca, hieu su
nang ro » nang co, nang ho, nang ra
cu nhan » ca nhan
luc va » duc va, tuc va, loc va
nang o » nang co, nang ho, nang x

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