Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhieu tang » chieu sang, hieu lang, nhiet nang
hoang thao » hoang thai, hoang hao, hoang thanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong ban » cong bang, cong tan, cong dan
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (nhieu tang)) - canh tranh cua nhung ((cong ban) OR (cong san)) hoang thao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (nhieu tang)) - canh tranh cua nhung ((cong ban) OR (cong san)) hoang thao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (nhieu tang)) - canh tranh cua nhung ((cong ban) OR (cong san)) hoang thao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (nhieu tang)) - canh tranh cua nhung ((cong ban) OR (cong san)) hoang thao*.