Perhaps you should try some spelling variations:
doanh luan » doanh nhan
hoach luan » hoach quang, hoa luan, hoach toan
luyen thi » nguyen thi
san luan » dan luan, tang luan, hang luan
luan tri » quan tri, luan thi, luat tri
su huan » su luan, su han, su hoan
su san » vu san, su can, su han

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((( su san luan tri ) or ( su huan luyen thi ))) or ( vu ((hoach luan) OR (doanh luan)) tri ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( su san luan tri ) OR ( su huan luyen thi ))) OR ( vu ((hoach luan) OR (doanh luan)) tri )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( su san luan tri ) or ( su huan luyen thi ))) or ( vu ((hoach luan) OR (doanh luan)) tri ))".
• Adding a wildcard symbol may retrieve word variants: (((( su san luan tri ) or ( su huan luyen thi ))) or ( vu ((hoach luan) OR (doanh luan)) tri ))*.