Perhaps you should try some spelling variations:
sang mai » sang ma, sang tai, lang mai
danh dai » danh dau, danh di, danh sai
ky sang » ky nang, ky dang, ky tang
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
cam duc » cao duc, pham duc, nam duoc
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
te cac » tu cac, ve cac, te cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ky sang mai hoi. hieu ve ((cam duc) or (cam xuc)) va danh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky sang mai hoi. hieu ve ((cam duc) OR (cam xuc)) va danh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: te cac ky sang mai hoi. hieu ve ((cam duc) or (cam xuc)) va danh dai cua tre*.