Perhaps you should try some spelling variations:
thanh lay » thanh lap, thanh tay, thanh lam
cham luc » nhan luc, cham cuu, chat lua
thanh ly » thanh ky, thanh le, khanh ly
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao

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