Perhaps you should try some spelling variations:
sach chinh » hanh chinh, sach kinh, soc chinh
sach dinh » sach kinh, sach danh, hoach dinh
sat tinh » hoat tinh, may tinh, ha tinh
tinh tri » minh tri, tinh thai, thanh tri
su sach » so sach, vu sach
te sach » toc sach
vu sat » vu san, vu bat

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( su sach chinh tri ) or ((( te sach dinh tri ) or ( vu sat tinh tri ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su sach chinh tri ) OR ((( te sach dinh tri ) OR ( vu sat tinh tri )))).
• Adding a wildcard symbol may retrieve word variants: (( su sach chinh tri ) or ((( te sach dinh tri ) or ( vu sat tinh tri ))))*.