Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhiet nang » nhiet dong, viet nang, nhieu tang
thanh toan » thanh hoa, thanh san, tinh toan
hanh tran » hanh trang, thanh tran, hanh tram
manh toan » anh tuan, tinh toan
tran van » luan van
ban cong » bang cong, van cong, phan cong

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 tran van ban 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 tran van ban cong ((manh toan) OR (thanh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (nhiet nang)) - hanh tran van ban cong ((manh toan) or (thanh toan)) cau*.