Perhaps you should try some spelling variations:
ve triet » va trien, su triet
nhan luc » nang luc
van hanh » van thanh, ban hanh, van anh
tang ma » mang may, tang van
sach vu » sach va, sach tu, sach uu
hieu cu » hieu cua, hieu ca, hieu su
cu nhan » ca nhan
nang ma » sang ma, nang cao, mang may
luc van » luoc van, luu van, duc van
hanh ve » hanh vi, hanh va, hanh kem
so sach » so sanh, bo sach, co sach
ve ve » de ve, va ve, ke ve

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach vu ((nang ma) or (tang ma)) hoi. hieu cu nhan luc van hanh ve ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach vu ((nang ma) OR (tang ma)) hoi. hieu cu nhan luc van hanh ve ve triet*.