Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
quoc ban » quoc bao, quoc lan, quoc quan
hanh tai » thanh tai, hang tai, han tai
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va cham » va chat, va tham
vuc van » duc van, luc van, thuc van
tai cua » thai cua, tai cuc, tri cua
tu dan » tuc dan, tu ban, cu dan
dan ky » van ky
va cam » va cac, va cao, va cai

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: tu dan ky lang xa hoi. lieu ((va cam) OR (va cham)) ((vuc van) OR (quoc ban)) hanh tai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dan ky lang xa hoi. lieu ((va cam) OR (va cham)) ((vuc van) or (quoc ban)) hanh tai cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu dan ky lang xa hoi. lieu ((va cam) OR (va cham)) ((vuc van) or (quoc ban)) hanh tai cua triet*.