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
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
xa hanh » xa thanh, xa khanh, va hanh
cua tuc » cua duc, cua tu, cua thuoc
y nang » ly nang, v nang, may nang
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) OR (su sach)) ((y nang) or (ky nang)) xa hoi. hieu van luat tuc xa hanh vi cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ((y nang) OR (ky nang)) xa hoi. hieu van luat tuc xa hanh vi cua tuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) ((y nang) or (ky nang)) xa hoi. hieu van luat tuc xa hanh vi cua tuc".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (su sach)) ((y nang) or (ky nang)) xa hoi. hieu van luat tuc xa hanh vi cua tuc*.