Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
thong cong » trong cong, tong cong, thong thong
kinh sach » sinh sach, dinh sach, tinh sach
tinh mach » tinh cach, tim mach, tinh bac
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
cong vang » cong lang, cong quang, cong ngang
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((kinh sach) or (tinh mach)) - canh doanh cua thong cong vang ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((kinh sach) OR (tinh mach)) - canh doanh cua thong cong vang ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((kinh sach) or (tinh mach)) - canh doanh cua thong cong vang ((toan cau) or (van ban))*.