Perhaps you should try some spelling variations:
quyen duong » tuyen duong, chuyen duong, nguyen duong
thieu sach » chieu sach, thien hach, hieu cach
duong cong » dung cong, luong cong, duong trong
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
van thanh » ban thanh, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - hanh chinh quyen duong cong ((thanh toan) or (van thanh)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh chinh quyen duong cong ((thanh toan) OR (van thanh)) tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh chinh quyen duong cong ((thanh toan) or (van thanh)) tap*.