Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hieu xanh » chieu xanh, hieu manh, dieu hanh
canh manh » lanh manh, canh tranh, cach mang
tong cong » trong cong, cong cong, dung cong
thanh cau » thanh chau, thanh mau, nhanh cau
thanh chu » thanh chau, thanh cha, thanh thu
manh cua » doanh cua, ban cua
cua tong » cua cong, cua dong, cua nong
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) OR (hieu nganh)) - canh manh cua tong cong van ((thanh cau) or (thanh chu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu nganh)) - canh manh cua tong cong van ((thanh cau) OR (thanh chu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (hieu nganh)) - canh manh cua tong cong van ((thanh cau) or (thanh chu))".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (hieu nganh)) - canh manh cua tong cong van ((thanh cau) or (thanh chu))*.