Perhaps you should try some spelling variations:
nganh luat » hanh luat
sach luan » sach luyen, sach han, san luan
luat thai » luat thi, luat thue, luat phap
luan tri » quan tri, luan thi, luat tri
co nganh » hoc nganh, cac nganh, moi nganh
vu sach » vu bach, su sach, vu khach
dat tai » dai tai, tat tai, chat tai

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: (((( vu sach luan tri ) OR ( vu sach ((dat tai) OR (dat dai)) ))) OR ( co nganh luat thai ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( vu sach luan tri ) or ( vu sach ((dat tai) OR (dat dai)) ))) or ( co nganh luat thai ))~".
• Adding a wildcard symbol may retrieve word variants: (((( vu sach luan tri ) or ( vu sach ((dat tai) OR (dat dai)) ))) or ( co nganh luat thai ))*.