Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
thanh do » thanh de, thanh pho, thanh hoa
thanh di » thanh doi, thanh de, thanh dinh
lang ky » dang ky, tang ky, bang ky
tu lang » cu lang, tu lanh, xu lang
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
co viet » so viet, o viet, hoc viet

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 lang ky lang xa hoi. hieu va cac xuc van ((thanh di) OR (thanh do)) ((cua viet) OR (co viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu lang ky lang xa hoi. hieu va cac xuc van ((thanh di) OR (thanh do)) ((cua viet) or (co viet))~".
• Adding a wildcard symbol may retrieve word variants: tu lang ky lang xa hoi. hieu va cac xuc van ((thanh di) OR (thanh do)) ((cua viet) or (co viet))*.