Perhaps you should try some spelling variations:
tang lai » trang lai, tang tai, tang loi
dien cua » dieu cua, dien cuc, tien cua
ky tang » ky nang, ky dang, kho tang
lai hoi » dai hoi, lai hoa, lai roi
dien cu » dien cuc, dien tu, dieu cua
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
vu sac » vu sach, vu san, va sac
va nam » van nam, ha nam, va nay
sac ky » cac ky, sai ky
ve nam » he nam, le nam, te nam

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: vu sac ky tang lai hoi. hieu ((ve nam) OR (va nam)) thuc va danh ((dien cua) OR (dien cu)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky tang lai hoi. hieu ((ve nam) OR (va nam)) thuc va danh ((dien cua) or (dien cu)) tre~".
• Adding a wildcard symbol may retrieve word variants: vu sac ky tang lai hoi. hieu ((ve nam) OR (va nam)) thuc va danh ((dien cua) or (dien cu)) tre*.