Perhaps you should try some spelling variations:
nang cham » trang cham, nang cao, nang phat
thanh van » thanh san, thanh toan, thanh phan
thi nang » thi cong, ki nang, thi hanh
bo sach » co sach, hoc sach
hanh va » hang va, hanh vi
ca tren » cau tren, cu tren, la tren
y nang » ky nang, ly nang, v nang
soc va » hoc va, loc va, doc va
x hoi » xa hoi, x ho, 5 hoi
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach y nang ((x hoi) or (o hoi)). thi nang cham soc va ((thanh van) or (hanh va)) ca tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach y nang ((x hoi) OR (o hoi)). thi nang cham soc va ((thanh van) OR (hanh va)) ca tren.
• Adding a wildcard symbol may retrieve word variants: bo sach y nang ((x hoi) or (o hoi)). thi nang cham soc va ((thanh van) or (hanh va)) ca tren*.