Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cua viet » ca viet, hoa viet, cua vat
cau tren » cu tren, dau tren, ca tren
thanh ve » hanh ve, thanh va, thanh vien
pham thu » pham thuc, pham thi, pham tu
thu ban » thu hang
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
mang xa » mang may, dang xay, mang cua
va pham » van pham, va phat, va phap

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty ((mang xa) or (lang xa)) hoi. lieu va pham thu ban thanh ve ((cau tren) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((mang xa) OR (lang xa)) hoi. lieu va pham thu ban thanh ve ((cau tren) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: su sach ty ((mang xa) or (lang xa)) hoi. lieu va pham thu ban thanh ve ((cau tren) or (cua viet))*.