Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thuc day » thuc dan, thuc vat
danh vai » danh sai, danh va, doanh van
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan
vai cua » dai cua, hai cua, lai cua
nang o » nang co, nang ho, nang ro
o hai » co hai, so hai, o lai
va am » va lam, va cam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang o hai. hieu va am ((thuc va) OR (thuc day)) danh vai cua triet~.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang o hai. hieu va am ((thuc va) or (thuc day)) danh vai cua triet*.