Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
nhung hong » nhung huong, nhung phong, nhung cong
hieu xanh » chieu xanh, hieu manh, hieu nganh
tranh cua » doanh cua, manh cua
doc hieu » toc thieu, hoc thieu, hoc hien
van tuan » van quan, van ban, anh tuan
van tan » van ban, van tai, van thanh

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 tranh cua ((nhung hong) or (nhung chong)) ((van tan) OR (van tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - canh tranh cua ((nhung hong) OR (nhung chong)) ((van tan) OR (van tuan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - canh tranh cua ((nhung hong) or (nhung chong)) ((van tan) OR (van tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh tranh cua ((nhung hong) or (nhung chong)) ((van tan) OR (van tuan)) cau*.