Perhaps you should try some spelling variations:
anh nang » ganh nang, anh bang, anh dang
cua bang » chua bang, cua ban, cua dang
chu bang » thu bang, chuc nang, chu quang
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu
ha tinh » may tinh
va tinh » may tinh

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((ha tinh) OR (va tinh)) - anh nang ((cua bang) OR (chu bang)) cong san phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((ha tinh) OR (va tinh)) - anh nang ((cua bang) or (chu bang)) cong san phan cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((ha tinh) OR (va tinh)) - anh nang ((cua bang) or (chu bang)) cong san phan cau*.