Perhaps you should try some spelling variations:
vay doanh » van doanh, ly doanh, voi doanh
hieu vien » hieu hien, hieu viec, thieu nien
tang van » dang van, hoang van, trong van
vien cam » vien cac, vien cao, vien nam
tu sach » thu sach, su sach, te sach
van hoc » van hoa
xuc vay » xuc hay
van cua » vang cua, dan cua, nan cua
ban cua » ban quan
y tang » ky tang, 6 tang, 7 tang

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 y tang van hoc. hieu vien cam xuc vay doanh ((van cua) OR (ban cua)) te~.
• Adding a wildcard symbol may retrieve word variants: tu sach y tang van hoc. hieu vien cam xuc vay doanh ((van cua) or (ban cua)) te*.