Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
giau cua » gian cua, gia cua, dieu cua
anh giau » anh giao, canh giac, anh giang
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
lang ha » long ha
lang xa » dang xay, lang van
ve cac » va cac, vien cac
lo van » le van, vo van, do van
so van » su van, vo van
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: thuoc sach ty ((lang xa) OR (lang ha)) hoi. hieu ve cac ((lo van) OR (so van)) anh giau cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ty ((lang xa) OR (lang ha)) hoi. hieu ve cac ((lo van) or (so van)) anh giau cua te~".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ty ((lang xa) OR (lang ha)) hoi. hieu ve cac ((lo van) or (so van)) anh giau cua te*.