Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nam thuc » nam thuoc, am thuc, nam thu
ky dung » ly dung, ky dang, ky vung
dung ha » dung va, dung he, dung khoa
hieu he » hieu ve, hiem he, hieu le
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
cua tre » cua te, dua tren, cua thep
cuu tre » cau tren, cau treo
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
he nam » ha nam, nghe nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky dung ha noi. hieu he nam thuc va hanh vi ((((cua tre) or (cuu tre))) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky dung ha noi. hieu he nam thuc va hanh vi ((((cua tre) OR (cuu tre))) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te sac ky dung ha noi. hieu he nam thuc va hanh vi ((((cua tre) or (cuu tre))) or (cua triet))*.