Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
luoc van » luoc can, luoc va, luc van
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
sach ty » sach y, sach tu, sach thu
xay hoi » xa hoi, tay hoi, cay phoi
ty van » ly van, ta van
va tom » va tam, va tim, va ton
cua te » cua tu

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 ty van xay hoi. lieu va tom luoc van hanh vi ((cua te) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty van xay hoi. lieu va tom luoc van hanh vi ((cua te) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te sach ty van xay hoi. lieu va tom luoc van hanh vi ((cua te) or (cua triet))*.