Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
doc sach » hoc sach, toc sach, nuoc sach
bach xuc » bach tuoc, bach xuan, bach hue
van hanh » van thanh, ban hanh, van anh
hanh dao » lanh dao, thanh dat, thanh dam
sach tu » sach thu, cach tu, sach ty
nang ma » tang ma, nang cao, mang may
sang ma » tang ma, sang tao, mang may
xuc van » duc van, luc van, vuc van
dao cua » dai cua, day cua, dan cua
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc sach tu ((nang ma) or (sang ma)) hoi. hieu vien bach xuc van hanh dao cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc sach tu ((nang ma) OR (sang ma)) hoi. hieu vien bach xuc van hanh dao cua su.
• Adding a wildcard symbol may retrieve word variants: doc sach tu ((nang ma) or (sang ma)) hoi. hieu vien bach xuc van hanh dao cua su*.