Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thi hanh » thi thanh
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
toc sach » hoc sach, thuoc sach, nuoc sach
doc sach » hoc sach, nuoc sach, dac sac
hanh ca » hanh cac, hanh cat, hanh cua
xa hanh » xa thanh, xa khanh, va hanh
hanh co » anh co, danh co, hanh mo
hieu va » lieu va, hieu qua
ca hoi » cau hoi, cua hoi, xa hoi
cac tu » cac thu, cach tu, cac du
co cua » con cua, ca cua, cong cua

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: ((toc sach) OR (doc sach)) thi hanh ca hoi. hieu va ((cac tu) OR (cac nuoc)) xa hanh co cua triet~.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (doc sach)) thi hanh ca hoi. hieu va ((cac tu) or (cac nuoc)) xa hanh co cua triet*.