Perhaps you should try some spelling variations:
nhan dien » nhan vien, nhan dieu, nhan dan
dien cua » dieu cua, dien cuc, dien cu
sach thu » sach thue, sach thieu, sach tham
van nhan » van phan, van thanh, danh nhan
hieu van » hieu va, thien van, lieu va
luc van » luoc van, luu van, duc van
nam luc » nang luc, nhan luc, nam thuc
nang ma » tang ma, sang ma, nang cao
sach uu » sach luu, sach tu, sach xu
nang xa » nang x, lang xa, mang xa
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach uu) or (sach thu)) ((nang xa) or (nang ma)) hoi. hieu van nam luc van nhan dien cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach uu) OR (sach thu)) ((nang xa) OR (nang ma)) hoi. hieu van nam luc van nhan dien cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach uu) or (sach thu)) ((nang xa) or (nang ma)) hoi. hieu van nam luc van nhan dien cua tre*.