Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
danh sai » dung sai, danh bat, danh dau
va trien » va truyen, va thiet, va tuyen
cua quoc » cua nuoc, cua thuoc
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
van cam » van nam, van lam, van cau
va danh » va dinh, va dan, va hanh
cua duc » cua tuc, cua nuoc
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va

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: te sac ky lang xa hoi. hieu van cam xuc va danh sai ((va trien) OR (((cua duc) OR (cua quoc))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky lang xa hoi. hieu van cam xuc va danh sai ((va trien) or (((cua duc) OR (cua quoc))))~".
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. hieu van cam xuc va danh sai ((va trien) or (((cua duc) OR (cua quoc))))*.