Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
dang xay » dang van, van xay
tuc van » thuc van, truc van, tuc va
va cham » va chat, va tham
ve cham » ve chat, vu cham, ve chim
so sach » bo sach, co sach, hoc sach
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
so sanh » do sanh
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (so sanh)) ky dang xay hoi. hieu ((ve cham) OR (va cham)) tuc van hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (so sanh)) ky dang xay hoi. hieu ((ve cham) OR (va cham)) tuc van hanh vi cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (so sanh)) ky dang xay hoi. hieu ((ve cham) OR (va cham)) tuc van hanh vi cua triet*".