Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dao » lanh dao, thanh dat, thanh dam
day hanh » day nhanh, day thanh, dao hanh
thuc day » thuc dan, thuc vat
nam thuc » nam thuoc, am thuc, nam thu
dao cua » dai cua, day cua, dan cua
tu sach » thu sach, tu cach, vu sach
ky lang » ky nang, ky dang, ky tang
su sach » so sach, vu sach
te sach » toc sach
lang xa » lang ha, dang xay, lang van
va nam » van nam, ha nam, va nay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((tu sach) or (te sach))) or (su sach)) ky lang xa hoi. lieu va nam thuc day hanh dao cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (te sach))) OR (su sach)) ky lang xa hoi. lieu va nam thuc day hanh dao cua triet*.