Perhaps you should try some spelling variations:
te sach » toc sach
hanh de » hanh ve, hanh kem
va hanh » van hanh, va thanh, va danh
cua tuc » cua duc, cua thuoc, luat tuc
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
luc va » duc va, tuc va, loc va
cua tu » cua su, cua cu, cua te
ke cau » ket cau
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 x hoi. hieu ((ve cac) OR (ke cau)) luc va hanh de ((cua tu) OR (cua tuc))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang x hoi. hieu ((ve cac) or (ke cau)) luc va hanh de ((cua tu) OR (cua tuc))~".
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ((ve cac) or (ke cau)) luc va hanh de ((cua tu) OR (cua tuc))*.