Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
lang van » tang van, hoang van, giang van
dang van » hoang van, hang va
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
cac luc » cau luc, coc luc, cac nuoc
vai cua » dai cua, hai cua, lai cua
hieu va » hieu qua
sach lo » sach dao, sach doi, sach hoi
luc va » duc va, tuc va, loc va
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: tu sach lo ((lang van) OR (dang van)) hoc. ((hieu va) OR (lieu va)) cac luc va thanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach lo ((lang van) OR (dang van)) hoc. ((hieu va) or (lieu va)) cac luc va thanh vai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sach lo ((lang van) OR (dang van)) hoc. ((hieu va) or (lieu va)) cac luc va thanh vai cua te*.