Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
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
doc hieu » toc thieu, hoc thieu, hoc hien
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 - 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 - canh manh cua tong cong van ((thanh cau) OR (thanh chu)).
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh manh cua tong cong van ((thanh cau) or (thanh chu))*.