Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
cong quang » luong quang, thong quang, duong quang
hien sach » dien sach, thien hach, chieu sach
kien sach » dien sach, vien bach, kien mac
quang cua » quan cua, quang tuan, quang huy
cua dang » cua ban
cua cau » cua cac, cua chu, cua cay

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien sach) or (kien sach)) - chinh doanh ((cua dang) OR (cua cong)) cong quang cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien sach) OR (kien sach)) - chinh doanh ((cua dang) OR (cua cong)) cong quang cua cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien sach) or (kien sach)) - chinh doanh ((cua dang) OR (cua cong)) cong quang cua cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien sach) or (kien sach)) - chinh doanh ((cua dang) OR (cua cong)) cong quang cua cau*.