Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
ly nang » ky nang, ly hang, ly vang
ke cau » ket cau
de cua » le cua, te cua, dieu cua
luc va » duc va, tuc va, loc va
cua tu » cua tuc, cua su, cua cu
y nang » ky nang, v nang, may nang
ve cac » va cac, vien cac
x hoi » xa hoi, o hoi, x ho

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: te sach ((y nang) OR (ly nang)) x hoi. hieu ((ve cac) OR (ke cau)) luc va thanh de cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (ly nang)) x hoi. hieu ((ve cac) or (ke cau)) luc va thanh de cua tu~".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (ly nang)) x hoi. hieu ((ve cac) or (ke cau)) luc va thanh de cua tu*.