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

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