Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
hiem ngan » kim ngan, viem gan
canh manh » lanh manh, canh tranh, cach mang
dong cong » duong cong, dung cong, dang cong
manh cua » doanh cua, ban cua
cua dong » chua dong, cua cong, cua dang
cong san » cong tac
san toan » van toan, dan toan, manh toan
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: toc ((hieu manh) or (hiem ngan)) - canh manh cua dong cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu manh) OR (hiem ngan)) - canh manh cua dong cong san toan cao.
• Adding a wildcard symbol may retrieve word variants: toc ((hieu manh) or (hiem ngan)) - canh manh cua dong cong san toan cao*.