Perhaps you should try some spelling variations:
sach tai » sach bai, sach tham, sach dao
tai lang » tai cong, thi lan, tai san
lang van » dang van, tang van, hoang van
van hieu » cao hieu
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
cua suc » cua duc, cua tuc, cua cuc
cua su » qua su

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: tu sach tai lang van hieu. ((hieu ve) OR (hieu qua)) cam xuc van hanh vi ((cua su) OR (cua suc))~.
• Adding a wildcard symbol may retrieve word variants: tu sach tai lang van hieu. ((hieu ve) or (hieu qua)) cam xuc van hanh vi ((cua su) or (cua suc))*.