Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhiet nang » nhiet dong, viet nang, nhieu tang
quan luong » luan luong, quan long, quan duong
luong cong » dung cong, trong cong, cong cong
thanh toan » thanh hoa, thanh san, tinh toan
hanh tang » hanh trang, anh tang, hanh mang
tang quan » tang luan, nang quan, tong quan
manh toan » anh tuan, tinh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (nhiet nang)) - hanh tang quan luong cong ((manh toan) OR (thanh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (nhiet nang)) - hanh tang quan luong cong ((manh toan) OR (thanh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (nhiet nang)) - hanh tang quan luong cong ((manh toan) OR (thanh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (nhiet nang)) - hanh tang quan luong cong ((manh toan) OR (thanh toan)) cau*.