Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
thuc dan » thuc hanh, hoc dan, thuc vat
danh vai » danh sai, danh va, doanh van
sach ky » sac ky, sach y, sach ty
thuc va » thuc vat, thuc day
vai cua » dai cua, hai cua, lai cua
qua am » quan am, qua ap, cua am
x hoi » xa hoi, o hoi, x ho

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: thu sach ky nang x hoi. hieu qua am ((thuc va) OR (thuc dan)) danh vai cua triet~.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang x hoi. hieu qua am ((thuc va) or (thuc dan)) danh vai cua triet*.