Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van luat » dan luat, va luat, van xuat
luat tuc » luat thue
hang dai » hoang dai, hang tai, hang dau
tu sach » thu sach, su sach, te sach
va hang » van hang, va nang, va lang
y nang » ly nang, v nang, may nang
tuc va » thuc va, truc va, tuc xa
cua tu » cua tuc, cua su, cua cu

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 nang) OR (ky nang)) xa hoi. hieu van luat tuc va hang dai cua tu~.
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) or (ky nang)) xa hoi. hieu van luat tuc va hang dai cua tu*.