Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
nam luat » dan luat, dap luat, nam cua
luat ban » luat bao, luat dan, luat bat
dua tren » dung tren
ban anh » ban hanh, ban banh, ban danh
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
anh ve » hanh ve, anh va, anh viet
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: tu sac ky nang x hoi. hieu van nam luat ban anh ve ((dua tren) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x hoi. hieu van nam luat ban anh ve ((dua tren) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. hieu van nam luat ban anh ve ((dua tren) or (cua tre))*.