Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sang mai » sang ma, sang tai, lang mai
danh lai » danh sai, gianh lai, dinh lam
va danh » va dinh, va dan, va hanh
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
cam duc » cao duc, pham duc, nam duoc
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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 ky sang mai hoi. hieu ve ((cam duc) or (cam xuc)) va danh lai ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky sang mai hoi. hieu ve ((cam duc) OR (cam xuc)) va danh lai ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky sang mai hoi. hieu ve ((cam duc) or (cam xuc)) va danh lai ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te sac ky sang mai hoi. hieu ve ((cam duc) or (cam xuc)) va danh lai ((cua tre) OR (cua triet))*.