Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
dat cua » dai cua, day cua, mat cua
anh dat » thanh dat, lanh dao, dinh dat
luc van » luoc van, luu van, duc van
xuc van » duc van, vuc van, xuc ban
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
cua te » cua tu
o hoc » co hoc, mo hoc, so hoc
o hoi » co hoi, o hai, o hoa

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 y nang ((o hoi) OR (o hoc)). hieu ve cam ((xuc van) OR (luc van)) anh dat cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y nang ((o hoi) OR (o hoc)). hieu ve cam ((xuc van) or (luc van)) anh dat cua te~".
• Adding a wildcard symbol may retrieve word variants: vu sach y nang ((o hoi) OR (o hoc)). hieu ve cam ((xuc van) or (luc van)) anh dat cua te*.