Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh van » thanh san, thanh toan, thanh phan
luc ban » duc ban, luc bat, luc van
van cua » vang cua, ban cua, dan cua
cuc ban » cua ban, cac ban, cuu ban
van cam » van lam, van cau, van dam
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
sac ky » cac ky, sai ky
vu sac » vu sach, vu san, va sac

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: vu sac ky dang xa hoi. hieu ((van cam) OR (van nam)) ((luc ban) OR (cuc ban)) thanh van cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky dang xa hoi. hieu ((van cam) or (van nam)) ((luc ban) OR (cuc ban)) thanh van cua triet~".
• Adding a wildcard symbol may retrieve word variants: vu sac ky dang xa hoi. hieu ((van cam) or (van nam)) ((luc ban) OR (cuc ban)) thanh van cua triet*.