Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
nang mai » nang ma, nang tai, lang mai
luc van » luoc van, luu van, duc van
sach ty » sach tu, sach thu, xach tay
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
su viet » so viet
anh vi » hanh vi, anh va, anh vu
anh ve » hanh ve, anh va, anh viet

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) nang mai hoi. hieu ve cham luc van ((anh vi) OR (anh ve)) su viet~.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach y)) nang mai hoi. hieu ve cham luc van ((anh vi) or (anh ve)) su viet*.