Perhaps you should try some spelling variations:
hang luan » tang luan, dung luan
han luyen » huan luyen, van luyen, nhan quyen
luyen thi » nguyen thi
qui hoach » quy hoach
vu hoach » quy hoach, thu hoach, ke hoach
luat tri » luat thi, luat thai, quan tri
su hang » su khang, su dang, si hang
su han » su phan, su hoan, su van

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

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