Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thieu xanh » chieu xanh, hieu manh, thien anh
canh manh » lanh manh, canh tranh, cach mang
dang cong » dung cong
manh cua » doanh cua, ban cua
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (chinh sach)) - canh manh cua ((nhung cong) or (dang cong)) van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chinh sach)) - canh manh cua ((nhung cong) OR (dang cong)) van toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chinh sach)) - canh manh cua ((nhung cong) or (dang cong)) van toan ban*.