Perhaps you should try some spelling variations:
cham cuu » cap cuu, chat cua
cham luc » cham soc, nhan luc, chat lua
thanh ky » hanh ky, than ky, thanh tay
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
cua tre » cuu tre, cua triet, dua tren
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
cua te » cua tu
sach 7 » sach y, sach 2
ma hoi » mai hoi, xa hoi, ma hoa
7 tang » 6 tang

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 7 tang ma hoi. hieu ve ((cham luc) or (cham cuu)) va thanh ky ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach 7 tang ma hoi. hieu ve ((cham luc) OR (cham cuu)) va thanh ky ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach 7 tang ma hoi. hieu ve ((cham luc) or (cham cuu)) va thanh ky ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: te sach 7 tang ma hoi. hieu ve ((cham luc) or (cham cuu)) va thanh ky ((cua tre) OR (cua te))*.