Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
ban thanh » ban hanh, ban hang
dang xay » dang van, van xay
quoc ban » quoc bao, quoc lan, quoc quan
su sach » so sach, vu sach
cua tre » cuu tre, cua triet, dua tren
ty dang » ty xang, ky dang, ty hang
xay hoi » xa hoi, tay hoi, cay phoi
sach ty » sach y, sach tu, sach thu
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: su sach ty dang xay hoi. hieu ((van lam) OR (van nam)) quoc ban thanh hai ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty dang xay hoi. hieu ((van lam) or (van nam)) quoc ban thanh hai ((cua tre) OR (cua te))~".
• Adding a wildcard symbol may retrieve word variants: su sach ty dang xay hoi. hieu ((van lam) or (van nam)) quoc ban thanh hai ((cua tre) OR (cua te))*.