Perhaps you should try some spelling variations:
dien cua » dieu cua, dien cuc, dien cu
tang lai » trang lai, tang tai, tang loi
dien cuu » dien cuc, dien cu, dien chu
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
va daoh » va danh, va doanh
lai roi » lai hoi, loi roi
hieu he » hieu ve, hiem he, hieu le
ky tang » ky nang, ky dang, kho tang
nam tu » nam thu, nam thuc
he nam » ha nam, nghe nam
va dao » ca dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky tang lai roi. hieu he nam tu ((va daoh) or (va dao)) ((dien cuu) OR (dien cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky tang lai roi. hieu he nam tu ((va daoh) OR (va dao)) ((dien cuu) OR (dien cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky tang lai roi. hieu he nam tu ((va daoh) or (va dao)) ((dien cuu) OR (dien cua)) tre*".