Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
thuc van » thuc vat, thuc dan, thuc va
hieu va » lieu va, hieu qua
ky dang » ky nang, ky danh
dan hoi » dan hoc, dai hoi, dang khoi
tai cua » thai cua, tai cuc, tri cua
van hoi » van hoa, van hoc, van hoe
va chat » van chat, va phat, cao chat
duc van » duc va, duc tan, duc manh
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) OR (van hoi)). hieu va chat ((thuc 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) OR (van hoi)). hieu va chat ((thuc van) or (duc van)) hanh tai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sai ky dang ((dan hoi) OR (van hoi)). hieu va chat ((thuc van) or (duc van)) hanh tai cua te*.