Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nam thuc » nam thuoc, am thuc, nam thu
hanh hai » thanh hai, nhanh hai, hang hai
te sach » toc sach
ky lang » ky dang, ky tang, tay lang
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu he » hieu ve, hiem he, hieu le
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
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 sach ((ky lang) OR (ky nang)) hoa hoi. hieu he nam thuc va hanh hai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky lang) OR (ky nang)) hoa hoi. hieu he nam thuc va hanh hai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky lang) OR (ky nang)) hoa hoi. hieu he nam thuc va hanh hai cua triet*.