Perhaps you should try some spelling variations:
hoach luan » hoach quang, doanh luan, hoa luan
sach luan » sach luyen, sach han, san luan
kham luan » khau luan, pham luan, ham luan
luan thi » luan chi, luan thiet, luyen thi
vu hoach » quy hoach, thu hoach, qui hoach
luan tri » quan tri, luat tri, quang tri
co sach » bo sach, cuon sach, hoc sach
vu kham » vu khanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( co sach luan thi ) or ((( vu hoach luan tri ) or ( vu kham luan tri ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( co sach luan thi ) OR ((( vu hoach luan tri ) OR ( vu kham luan tri )))).
• Adding a wildcard symbol may retrieve word variants: (( co sach luan thi ) or ((( vu hoach luan tri ) or ( vu kham luan tri ))))*.