Perhaps you should try some spelling variations:
cham luc » cham soc, cham cuu, chat lua
thanh ly » thanh lay, thanh ky, thanh le
va thanh » gia thanh, ban thanh, va tinh
nhan luc » nang luc
sach ky » sac ky, sach y, sach ty
te sach » toc sach
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, mang may
cua tre » cua te, cuu tre, cua triet
ly cua » le cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky ((nang ma) OR (nang cao)) hoa. hieu ve ((cham luc) or (nhan luc)) va thanh ly cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang ma) OR (nang cao)) hoa. hieu ve ((cham luc) OR (nhan luc)) va thanh ly cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((nang ma) OR (nang cao)) hoa. hieu ve ((cham luc) or (nhan luc)) va thanh ly cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang ma) OR (nang cao)) hoa. hieu ve ((cham luc) or (nhan luc)) va thanh ly cua tre*.