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
su sach » so sach, vu sach
xa hanh » xa thanh, xa khanh, va hanh
y nang » ly nang, v nang, may nang
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((y nang) OR (ky nang)) x hoi. hieu van luat tuc xa hanh vi cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y nang) OR (ky nang)) x hoi. hieu van luat tuc xa hanh vi cua tu".
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) OR (ky nang)) x hoi. hieu van luat tuc xa hanh vi cua tu*.