Perhaps you should try some spelling variations:
dang dan » dang dang, dang van, dung dan
chuc van » chu van, chuc va, thuc van
hanh tai » thanh tai, hang tai, han tai
ky dang » ky nang, ky danh
dan hoi » dan hoc, dai hoi, van hoi
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
vuc van » luc van, thuc van, khuc van
duc van » duc va, duc tan, duc manh
tai cua » thai cua, tai cuc, tri cua
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
cua te » cua tu

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 dan hoi. hieu va chat ((((vuc van) OR (chuc van))) OR (duc van)) hanh tai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky dang dan hoi. hieu va chat ((((vuc van) OR (chuc van))) or (duc van)) hanh tai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sai ky dang dan hoi. hieu va chat ((((vuc van) OR (chuc van))) or (duc van)) hanh tai cua te*.