Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
thien van » thi van
van thai » van thoai, van tai, van hai
thai tuc » thai thuc, thai thuy, thai hoc
thanh ve » hanh ve, thanh va, thanh vien
tuc ban » thuc ban, truc ban, tu ban
bo sach » co sach, hoc sach
sach lo » sach dao, sach doi, sach hoi
nang xa » lang xa, nang ma, mang xa
ca tren » cau tren, cu tren, la tren

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach lo ((nang xa) or (nang x)) hoi. thien van thai tuc ban thanh ve ((cua triet) or (ca tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach lo ((nang xa) OR (nang x)) hoi. thien van thai tuc ban thanh ve ((cua triet) OR (ca tren)).
• Adding a wildcard symbol may retrieve word variants: bo sach lo ((nang xa) or (nang x)) hoi. thien van thai tuc ban thanh ve ((cua triet) or (ca tren))*.