Perhaps you should try some spelling variations:
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
chinh quan » chinh luan, chinh quyen, chinh ngan
quan duong » tuan duong, quan dong, qua duong
duong cong » dung cong, luong cong, duong trong
manh toan » thanh toan, anh tuan, tinh toan
ban thanh » ban hanh, ban hang

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) OR (chieu sach)) - hanh chinh quan duong cong ((manh toan) or (ban thanh)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - hanh chinh quan duong cong ((manh toan) OR (ban thanh)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) OR (chieu sach)) - hanh chinh quan duong cong ((manh toan) or (ban thanh)) tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) OR (chieu sach)) - hanh chinh quan duong cong ((manh toan) or (ban thanh)) tap*.