Perhaps you should try some spelling variations:
gian lang » gian dan
cua triet » cua viet, su triet, va triet
sang mai » sang ma, sang tai, lang mai
nam duoc » nam thuoc, da duoc, dat duoc
va gian » va gianh, van gian, va giai
ky sang » ky nang, ky dang, ky tang
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, dua tren
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan 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 san ky sang mai hoi. hieu ve ((nam duoc) OR (cam xuc)) va gian lang ((cua tre) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ky sang mai hoi. hieu ve ((nam duoc) or (cam xuc)) va gian lang ((cua tre) OR (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: te san ky sang mai hoi. hieu ve ((nam duoc) or (cam xuc)) va gian lang ((cua tre) OR (cua triet))*.