Perhaps you should try some spelling variations:
dang dai » dang hai, dang bai, dang dan
phat xuc » chat xuc, phat xuat, phap xu
dien cua » dien cuc, dien cu, tien cua
dieu cua » dieu tra
ky dang » ky nang, ky danh
dai hoi » dai hoc, dai hai, dai moi
hieu su » hieu sau, tieu su, hieu so
su phat » su pham, tu phat, xu phat
va danh » va dinh, va dan, va hanh
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky dang dai hoi. hieu su phat xuc va danh ((dien cua) OR (dieu cua)) cu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky dang dai hoi. hieu su phat xuc va danh ((dien cua) OR (dieu cua)) cu".
• Adding a wildcard symbol may retrieve word variants: tu sai ky dang dai hoi. hieu su phat xuc va danh ((dien cua) OR (dieu cua)) cu*.