Perhaps you should try some spelling variations:
hoach dinh » hoang dinh
sach thanh » sach tranh, sach tham, danh thanh
thanh tri » thanh tra, thanh tai, chinh tri
khac danh » khao danh, khac manh, khac khanh
danh thin » canh thin, danh thanh, danh thang
dinh tri » chinh tri
su sach » so sach, vu sach
vu khac » vu kham, vu khanh, bui khac

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: (( thu hoach dinh tri ) OR ((( su sach thanh tri ) OR ( vu khac danh thin ))))~.
• Adding a wildcard symbol may retrieve word variants: (( thu hoach dinh tri ) or ((( su sach thanh tri ) or ( vu khac danh thin ))))*.