Perhaps you should try some spelling variations:
phat xuc » chat xuc, phat xuat, phap xu
dang dai » dang hai, dang bai, dang dan
hieu sau » hieu suat, hieu va, hieu van
tieu su » thieu so
ky dang » ky nang, ky danh
dai hoi » dai hoc, dai hai, dai moi
hieu su » hieu so, hieu suat, hieu qua
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
di cua » dai cua, doi cua, de cua
xuc va » duc va, tuc va, luc va
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
cua cu » cua chu, cua cau, cua su

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky dang dai hoi. ((((hieu su) OR (tieu su))) OR (hieu sau)) phat xuc va danh di cua cu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky dang dai hoi. ((((hieu su) OR (tieu su))) or (hieu sau)) phat xuc va danh di cua cu~".
• Adding a wildcard symbol may retrieve word variants: tu sai ky dang dai hoi. ((((hieu su) OR (tieu su))) or (hieu sau)) phat xuc va danh di cua cu*.