Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
doanh khoa » toan khoa
manh toan » thanh toan, anh tuan, tinh toan
khoa cua » hoa cua, kho cua, khoe cua
ban cong » bang cong, van cong, phan cong
van tuan » van quan, van ban, anh tuan

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 (chieu tinh)) - doanh khoa cua ban cong ((van tuan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu tinh)) - doanh khoa cua ban cong ((van tuan) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu tinh)) - doanh khoa cua ban cong ((van tuan) or (manh toan)) cau*.