Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tham thuc » nham thuc, pham thuc, tam thuc
qua tham » qua cham, qua than, qua thanh
thuc dan » thuc hanh, hoc dan, thuc vat
dan hanh » dang hanh, dan khanh, dan thanh
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
vi cua » vai cua, di cua

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

• Adding a wildcard symbol may retrieve word variants: so sach ky dang xa hoi. hieu qua tham thuc dan hanh vi cua triet*.