Perhaps you should try some spelling variations:
trang cua » tranh cua, trung cua, thang cua
dung cong » dung trong
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((may tinh) or (chinh sach)) - hanh ((trang cua) or (tang cua)) dung cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((may tinh) OR (chinh sach)) - hanh ((trang cua) OR (tang cua)) dung cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((may tinh) or (chinh sach)) - hanh ((trang cua) or (tang cua)) dung cong tac than cau*.