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

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach vu ((nang ma) OR (sang ma)) hoi. hieu cu nhan luc van hanh ve su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach vu ((nang ma) OR (sang ma)) hoi. hieu cu nhan luc van hanh ve su triet".
• Adding a wildcard symbol may retrieve word variants: su sach vu ((nang ma) OR (sang ma)) hoi. hieu cu nhan luc van hanh ve su triet*.