Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
kho tang » cao tang
thanh di » thanh doi, thanh de, thanh do
va thanh » gia thanh, ban thanh, va tinh
ven dam » van dam, men dam, vien dai
cac kho » cac khoi, cac khoa, cac khu
tang ma » mang may, tang van
ve dam » va dam, ve dao, ve dat
ke dam » ke dan
ma hoi » mai hoi, xa hoi, ma hoa
di cua » dai cua, doi cua, de cua

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 cac kho tang ma hoi. hieu ((((ve dam) OR (ven dam))) OR (ke dam)) tu va thanh di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac kho tang ma hoi. hieu ((((ve dam) OR (ven dam))) or (ke dam)) tu va thanh di cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu cac kho tang ma hoi. hieu ((((ve dam) OR (ven dam))) or (ke dam)) tu va thanh di cua triet*.