Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
chuc danh » chuc nganh, thuc hanh, chuc nang
chua xang » chua nang, chuc nang, chu bang
dung cong » dung trong
hanh han » hanh nhan, hanh phan, hanh san
van toan » van tuan, van tan, van thanh
toan tap » toan ban
han cua » hang cua, nhan cua, than cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chuc danh) or (chua xang)) - hanh han cua ((nhung cong) or (dung cong)) van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (chua xang)) - hanh han cua ((nhung cong) OR (dung cong)) van toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chuc danh) or (chua xang)) - hanh han cua ((nhung cong) or (dung cong)) van toan tap*.