Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
than cua » nhan cua, thai cua, ban cua
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
cam tuc » cam tu, nam thuc, dam thuc
hieu va » lieu va, hieu qua
tang ma » mang may, tang van
y tang » ky tang, 6 tang, 7 tang
ma hoi » mai hoi, xa hoi, ma hoa

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 y tang ma hoi. hieu va ((cam tuc) or (cam xuc)) ((ban thanh) or (gia thanh)) than cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y tang ma hoi. hieu va ((cam tuc) OR (cam xuc)) ((ban thanh) OR (gia thanh)) than cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y tang ma hoi. hieu va ((cam tuc) or (cam xuc)) ((ban thanh) or (gia thanh)) than cua tre*.