Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thang quan » thong quan, tang quan, thanh quan
nhung cong » dung cong, thong cong, hang cong
toc chieu » toc thieu, doc hieu, hoc thieu
hang quan » hoang quan, hang luan, nang quan
thanh hoa » thanh pho
cong tac » cong ty
thanh ha » thanh hai, nhanh ha, thanh phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sach - thanh ((thang quan) or (hang quan)) nhung cong tac ((thanh ha) OR (thanh hoa))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sach - thanh ((thang quan) OR (hang quan)) nhung cong tac ((thanh ha) OR (thanh hoa)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu sach - thanh ((thang quan) or (hang quan)) nhung cong tac ((thanh ha) OR (thanh hoa))".
• Adding a wildcard symbol may retrieve word variants: toc chieu sach - thanh ((thang quan) or (hang quan)) nhung cong tac ((thanh ha) OR (thanh hoa))*.