Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
chinh cua » chinh ca, chinh sua, hinh cua
cua nhung » va nhung
san toan » dan toan, manh toan, xuan toan
van toan » van tuan, van tan, van thanh
doi chi » doi khi

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

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