Perhaps you should try some spelling variations:
sang dai » sang tai, lang dai, sang mai
va thanh » gia thanh, ban thanh, va tinh
va hanh » van hanh, va danh, ban hanh
ky sang » ky nang, ky dang, ky tang
dai hoi » dai hoc, dai hai, dai moi
tu sac » tu sach, tu cac, tu san
vi cua » vai cua, di cua
ve cac » va cac, vien cac
sac ky » cac ky, sai ky
ve cam » ve cham, va cam, ve cai
cua te » cua tu

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

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