Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
xa thanh » va thanh, ha thanh, ta thanh
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, te sach
xang xa » lang xa, mang xa, ang xa
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
ve cam » ve cham, ve cac, va cam
cua te » cua tu
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) OR (toc sach)) ty xang xa hoi. hieu ve cam tuc xa thanh vi ((cua te) OR (cua su))~.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (toc sach)) ty xang xa hoi. hieu ve cam tuc xa thanh vi ((cua te) or (cua su))*.