Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
nam thuc » nam thuoc, am thuc, nam thu
va thanh » gia thanh, ban thanh, le thanh
ban cua » ban quan
va tinh » may tinh
cua tre » cua te, cuu tre, cua triet
sach ly » sach y, sach lo, sach ty
cam tuc » cam xuc, cam tu, dam thuc
hieu ve » hieu va, hieu van
ly hang » ly quang
hang x » nang x, hoang xa, chang xu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach ly hang x hoi. hieu ve ((cam tuc) or (nam thuc)) ((va thanh) OR (va tinh)) ban cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ly hang x hoi. hieu ve ((cam tuc) OR (nam thuc)) ((va thanh) OR (va tinh)) ban cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ly hang x hoi. hieu ve ((cam tuc) or (nam thuc)) ((va thanh) OR (va tinh)) ban cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach ly hang x hoi. hieu ve ((cam tuc) or (nam thuc)) ((va thanh) OR (va tinh)) ban cua tre*.