Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tu cach » tu cac
te sach » toc sach
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cuu tre » cua tre, cau tren, cau treo
ve am » va am

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (te sach)) ky nang x ho. hieu ve am thuc va danh vi ((cua triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (te sach)) ky nang x ho. hieu ve am thuc va danh vi ((cua triet) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) ky nang x ho. hieu ve am thuc va danh vi ((cua triet) or (cuu tre))*.