Perhaps you should try some spelling variations:
chinh quan » chinh luan, chinh quyen, chinh ngan
quan nhung » qua nhung, cua nhung, luan chung
nhung cong » dung cong, thong cong, hang cong
dang thanh » dong thanh, dang hanh, hoang thanh
hieu sach » chieu sach, hieu cach, dien sach
lang toan » dang toan, lang thang, lang thanh
doc hieu » toc thieu, hoc thieu, hoc hien

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu sach - hanh chinh quan nhung cong ((lang toan) or (dang thanh)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sach - hanh chinh quan nhung cong ((lang toan) OR (dang thanh)) cao.
• Adding a wildcard symbol may retrieve word variants: doc hieu sach - hanh chinh quan nhung cong ((lang toan) or (dang thanh)) cao*.