Perhaps you should try some spelling variations:
va thanh » ban thanh, va tinh, le thanh
lang van » dang van, tang van, hoang van
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay
ve coc » ve cuoc, ve cac, ve co
de cua » le cua, te cua, dieu cua
cua tu » cua tuc, cua su, cua cu

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: vu sach ty ((lang xa) OR (lang van)) hoi. hieu ve coc luc ((va thanh) OR (gia thanh)) de cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty ((lang xa) OR (lang van)) hoi. hieu ve coc luc ((va thanh) or (gia thanh)) de cua tu~".
• Adding a wildcard symbol may retrieve word variants: vu sach ty ((lang xa) OR (lang van)) hoi. hieu ve coc luc ((va thanh) or (gia thanh)) de cua tu*.