Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lay » thanh lap, thanh tay, thanh lam
nam thuc » nam thuoc, am thuc, nam thu
dua tren » dung tren
va thanh » gia thanh, ban thanh, va tinh
hieu le » hieu ve, hieu he, hieu ly
thuc va » thuc vat, thuc dan, thuc day
cuu tre » cua tre, cau tren, cau treo
le nam » ly nam, he nam, le na
sac ky » cac ky, sai ky
vu sac » vu sach, vu san, va sac
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: vu sac ky nang x hoi. hieu le nam thuc va thanh lay ((((cuu tre) or (dua tren))) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang x hoi. hieu le nam thuc va thanh lay ((((cuu tre) OR (dua tren))) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang x hoi. hieu le nam thuc va thanh lay ((((cuu tre) or (dua tren))) or (cua triet))*.