Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cuu ban » cua ban, cuu san, cuu nang
su sach » so sach
lang ha » long ha
ty lang » tay lang, ty xang, ty hang
vu sach » vu bach, vu khach
ha hoi » hoa hoi, ha noi, xa hoi
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di cua
cua te » cua tu

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: ((su sach) OR (vu sach)) ty lang ha hoi. hieu van nam ((cuu ban) OR (cuu van)) anh vi cua te~.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ty lang ha hoi. hieu van nam ((cuu ban) or (cuu van)) anh vi cua te*.