Perhaps you should try some spelling variations:
luat duoc » luat tuc
lam duoc » nam duoc, lam thuoc, tao duoc
danh xay » dang xay, manh xay, anh xay
danh van » doanh van, dang van, dinh van
hieu van » hieu va, thien van, lieu va
van cua » vang cua, ban cua, dan cua
va danh » va dinh, va dan, va hanh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
xay hoi » xa hoi, tay hoi, cay phoi
ky danh » ky anh, ky dang
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky danh xay hoi. hieu van ((lam duoc) OR (luat duoc)) va danh van cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky danh xay hoi. hieu van ((lam duoc) OR (luat duoc)) va danh van cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky danh xay hoi. hieu van ((lam duoc) OR (luat duoc)) va danh van cua tre*.