Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh dai » thanh hai, thanh tai, thanh dat
kho tang » cao tang
nam thuc » nam thuoc, am thuc, nam thu
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
ky tang » ky dang, ky trong, tay tang
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu ha » hieu hoa, hieu va, hieu ca
thuc va » thuc vat, thuc dan, thuc day

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 tang) OR (kho tang))) or (ky nang)) hoa hoi. hieu ha nam thuc va thanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((((ky tang) OR (kho tang))) OR (ky nang)) hoa hoi. hieu ha nam thuc va thanh dai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((((ky tang) OR (kho tang))) or (ky nang)) hoa hoi. hieu ha nam thuc va thanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ((((ky tang) OR (kho tang))) or (ky nang)) hoa hoi. hieu ha nam thuc va thanh dai cua triet*.