Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung tuong, chuong duong
nhung huong » nhung phuong, nhung tuong, nhung cong
hieu xanh » chieu xanh, hieu manh, hieu nganh
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
anh nang » ganh nang, anh bang, anh dang

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 (dieu hanh)) - canh manh cua ((nhung duong) OR (nhung huong)) anh nang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (dieu hanh)) - canh manh cua ((nhung duong) OR (nhung huong)) anh nang cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) or (dieu hanh)) - canh manh cua ((nhung duong) OR (nhung huong)) anh nang cao".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (dieu hanh)) - canh manh cua ((nhung duong) OR (nhung huong)) anh nang cao*.