Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
canh manh » lanh manh, canh tranh, cach mang
toc hieu » toc thieu, doc hieu, hoc thieu
manh cua » doanh cua, ban cua
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap

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 - canh manh cua dang ((cong tan) or (cong trinh)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - canh manh cua dang ((cong tan) OR (cong trinh)) phan cac.
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - canh manh cua dang ((cong tan) or (cong trinh)) phan cac*.