Perhaps you should try some spelling variations:
trong van » trong cac
tang van » dang van, hoang van, tang luan
su sach » so sach, vu sach
thuc xa » thuc xay, tuc xa, thuc va
va nham » va cham, va nha, va kham
xanh di » danh di, vanh dai, xanh tai
xa xanh » xa thanh, cay xanh, mau xanh
va tham » van tham, va cham, va thanh
di cua » dai cua, doi cua, de cua
sach v » sach va, sach y, sach 2
cua su » qua su

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach v ((tang van) OR (trong van)) hoi. lieu ((va nham) or (va tham)) thuc xa xanh di cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach v ((tang van) OR (trong van)) hoi. lieu ((va nham) OR (va tham)) thuc xa xanh di cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach v ((tang van) OR (trong van)) hoi. lieu ((va nham) or (va tham)) thuc xa xanh di cua su".
• Adding a wildcard symbol may retrieve word variants: su sach v ((tang van) OR (trong van)) hoi. lieu ((va nham) or (va tham)) thuc xa xanh di cua su*.