Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
ve cham » ve chat, vu cham, ve chim
va cham » va chat, va tham
thuc va » thuc vat, thuc dan, thuc day
va xanh » va danh, va hanh, va anh
xanh di » danh di, vanh dai, xanh tai
di cua » dai cua, doi cua, de cua

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 xa hoi. hieu ((ve cham) or (va cham)) thuc va xanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. hieu ((ve cham) OR (va cham)) thuc va xanh di cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu ((ve cham) or (va cham)) thuc va xanh di cua triet*.