Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
luc van » luoc van, luu van, duc van
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, cua triet
ma hoi » xa hoi, ma hoa, me hoi
anh di » danh di, xanh di, anh d
di cua » dai cua, doi cua, de cua

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