Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
cau treo » cau theo, cau tren, cau triet
te sach » toc sach
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va cach » va cac
cuu tre » cua tre, cau tren
y lang » o lang, _ lang, tay lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. hieu va cach thuc van hanh vi ((cuu tre) OR (cau treo))~.
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu va cach thuc van hanh vi ((cuu tre) or (cau treo))*.