Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
gian lan » gian lang, gian dan, giang van
nam duoc » nam thuoc, da duoc, dat duoc
sang mai » sang ma, sang tai, lang mai
lan cua » lang cua, ban cua, lai cua
va gian » va gianh, van gian, va giai
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ky sang » ky nang, ky dang, ky tang
te san » te ban, ke san, tu san
te sac » te sach, te cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) OR (te san)) ky sang mai hoi. hieu ve ((nam duoc) or (cam xuc)) va gian lan cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te san)) ky sang mai hoi. hieu ve ((nam duoc) OR (cam xuc)) va gian lan cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) OR (te san)) ky sang mai hoi. hieu ve ((nam duoc) or (cam xuc)) va gian lan cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te sac) OR (te san)) ky sang mai hoi. hieu ve ((nam duoc) or (cam xuc)) va gian lan cua triet*.