Perhaps you should try some spelling variations:
cham luc » cham soc, cham cuu, chat lua
nhan luc » nang luc
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
cao hoa » cao hoat, cao khoa, cau hoa
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, ban hanh
lai cua » dai cua, hai cua, lai chau
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 ky nang cao hoa. hieu ve ((cham luc) OR (nhan luc)) va hanh lai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang cao hoa. hieu ve ((cham luc) OR (nhan luc)) va hanh lai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang cao hoa. hieu ve ((cham luc) OR (nhan luc)) va hanh lai cua tre*.