Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh dai » thanh hai, thanh tai, thanh dat
hoang xa » hoang ha, hoang va, hoang xuan
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
van cac » van hac, van cau, van bac
cac duc » cac du, cao duc, cac dac
cua tre » cua te, cuu tre, dua tren
hang x » nang x, chang xu, hang nxb

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: te sach y ((hang x) OR (hoang xa)) hoi. hieu van cac duc va thanh dai ((cua tre) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((hang x) OR (hoang xa)) hoi. hieu van cac duc va thanh dai ((cua tre) or (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: te sach y ((hang x) OR (hoang xa)) hoi. hieu van cac duc va thanh dai ((cua tre) or (cua triet))*.