Perhaps you should try some spelling variations:
tang dan » tang van, tung dan, tang luan
hanh tai » thanh tai, hang tai, han tai
thuc van » thuc vat, thuc dan, thuc va
duc manh » suc manh, duc anh, duc minh
ky tang » ky nang, ky dang, kho tang
dan hoi » dan hoc, dai hoi, van hoi
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
tai cua » thai cua, tai cuc, tri cua
vuc van » duc van, luc van, chuc van
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 tang dan hoi. hieu va chat ((((vuc van) OR (thuc van))) OR (duc manh)) hanh tai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky tang dan hoi. hieu va chat ((((vuc van) OR (thuc van))) or (duc manh)) hanh tai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sai ky tang dan hoi. hieu va chat ((((vuc van) OR (thuc van))) or (duc manh)) hanh tai cua te*.