Perhaps you should try some spelling variations:
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
hanh dinh » thanh dinh, hinh dinh, hanh tinh
dung cong » dung trong
cong doan » cong dan, cong hoan, dong doanh
dinh qua » dinh cua, dinh quy, danh qua
qua dung » quang dung, su dung, qua song
doan van » doan va, hoang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu sach) OR (chieu sach)) - hanh dinh qua dung cong doan van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu sach) OR (chieu sach)) - hanh dinh qua dung cong doan van ban".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu sach) OR (chieu sach)) - hanh dinh qua dung cong doan van ban*.