Perhaps you should try some spelling variations:
hoach dinh » hoang dinh
qui hoach » quy hoach
khach san » khach hang, thanh san
dinh tri » chinh tri
vu khach » vu khanh, vu khac, vay khach
dung tri » dung tren, dung sai, dung doi
su sach » so sach, vu sach
san tu » san thu, sang tu, ban tu

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

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