Perhaps you should try some spelling variations:
luat duoc » luat tuc
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
hieu dan » hieu van, sieu dan, hieu dac
dan luat » dan luan, dap luat, dan dat
dinh vai » dinh van, dinh vi, dinh va
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
duoc va » nuoc va, duc va, duoc ma
va dinh » van dinh, va kinh, va tinh
vai cua » dai cua, hai cua, lai cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (toc sach)) ky lang xa hoi. hieu dan luat duoc va dinh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky lang xa hoi. hieu dan luat duoc va dinh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ky lang xa hoi. hieu dan luat duoc va dinh vai cua triet*.