Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
va trien » va truyen, va thiet, va tuyen
nam thuc » nam thuoc, am thuc, nam thu
va kinh » va tinh, qua kinh
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, dam thuc
kinh ve » kinh te, dinh ve, minh ve
te sai » te tai, te bai, te lai
sai ky » sac ky

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 sai ky lang xa hoi. hieu ve ((cam tuc) OR (nam thuc)) va kinh ve ((va trien) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky lang xa hoi. hieu ve ((cam tuc) OR (nam thuc)) va kinh ve ((va trien) or (su triet))~".
• Adding a wildcard symbol may retrieve word variants: te sai ky lang xa hoi. hieu ve ((cam tuc) OR (nam thuc)) va kinh ve ((va trien) or (su triet))*.