Perhaps you should try some spelling variations:
doc sach » hoc sach, toc sach, nuoc sach
tai cua » thai cua, tai cuc, tri cua
han tai » hang tai, nhan tai, van tai
van hau » van ha, van hai, van dau
sach ty » sach y, sach tu, sach thu
van cau » van dau, van chat, toan cau
nang xa » lang xa, nang ma, mang xa
xuc va » duc va, tuc va, luc va
va han » va phan, van han, va hanh
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: doc sach ty ((nang xa) OR (nang x)) hoi. hieu ((van cau) OR (van hau)) xuc va han tai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc sach ty ((nang xa) or (nang x)) hoi. hieu ((van cau) OR (van hau)) xuc va han tai cua te~".
• Adding a wildcard symbol may retrieve word variants: doc sach ty ((nang xa) or (nang x)) hoi. hieu ((van cau) OR (van hau)) xuc va han tai cua te*.