Perhaps you should try some spelling variations:
tang tai » hang tai, dung tai, sang tao
danh hai » dang hai, lanh hai, manh hai
tai khoi » tai khoa, mai khoi, tao khoi
cua tre » cua te, cuu tre, cua triet
hai cua » thai cua, dai cua, hoi cua
va danh » va dinh, va dan, va hanh
ky tang » ky nang, ky dang, kho tang
luc va » duc va, tuc va, loc va
su cac » tu cac, su cao, eu cac
su can » su van, su cao, tu can
ve coc » ve cuoc, ve cac
ve co » vo co, va co, de co

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su cac) OR (su can)) ky tang tai khoi. hieu ((ve coc) or (ve co)) luc va danh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su cac) OR (su can)) ky tang tai khoi. hieu ((ve coc) OR (ve co)) luc va danh hai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su cac) OR (su can)) ky tang tai khoi. hieu ((ve coc) or (ve co)) luc va danh hai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su cac) OR (su can)) ky tang tai khoi. hieu ((ve coc) or (ve co)) luc va danh hai cua tre*.